Patent US2484590A successfully refreshed from Google Patents.
Patent US3267017A successfully refreshed from Google Patents.
US3267017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing magnetic recording materials
Assignee: International Business Machines Corp
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Filing: 1962-01-31
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Granted: 1966-08-16
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Expires: 1982-01-31
Abstract
No abstract record available.
Inventors
- 👤 George W Greene
- 👤 Leland Bernard
- 👤 Ponsen John
- 👤 George R Schlupp
- 👤 Jr Eugene J Scray
- 👤 Wilkie Ronald Mcc
- 👤 Rolland K Wiltse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:01
CPC Classifications
C; C25; C25D; C25D17/00; C23; C23C; C23C18/00; C23C18/16; C23C18/1601; C23C18/1619; C23C18/1632; C23C18/1633; C23C18/1675; C23C18/1682; C23C18/1689; C23C18/1692; C23C18/18; C23C18/20; C23C18/2006; C23C18/2046; C23C18/2073; C23C18/2086; C23C18/28; C23C18/285; C23C18/30; C23C18/31; C23C18/32; C23C18/34; C23C18/36; C25D5/00; C25D5/54; C25D5/56; G; G11; G11B; G11B5/00; G11B5/84; H; H01; H01F; H01F10/00; H01F10/08; H01F10/10; C23C18/1646; C23C18/165; C23C18/1653; Y; Y10; Y10S; Y10S205/00; Y10S205/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
APPARATUS FOR CONTINUOUSLY DEPOSITING A LAYER OF MAGNETIC METAL OR METAL ALLOY ON THE SURFACE OF A NON-CONDUCTING WEB COMPRISING A SERIES OF STATIONARY FLUID BEARINGS DEFINING A CONTINOUS WEB PROCESSING PATH, A PLURALITY OF WEB SENSITIZING TANKS, AN ELECTROLESS PLATING TANK AND AT LEAST ONE ELECTROPLATING CELL ALL POSITIONED BENEATH SAID FLUID BEARINGS, A HEATING CHAMBER SURROUNDING AT LEAST SOME OF SAID FLUID BEARINGS BETWEEN SAID ELECTROLESS PLATING TANK AND SAID ELECTROPLATING TANK, MEANS FOR RAISING AND LOWERING SAID SENSITIZING TANKS, SAID ELECTROLESS PLATING TANKS AND SAID ELECTROPLATING CELL INTO AND OUT OF CONTACT WITH A WEB THREADED THROUGH SAID FLUID BEARINGS, MEANS FOR DRAWING SAID WEB OVER SAID FLUID BEARINGS, AND MEANS FOR SELECTIVELY PUMPING PRESSURIZED AIR TO THE FLUID BEARINGS OUT OF CONTACT WITH LIQUID IN SAID TANKS AND PRESSURIZED LIQUID TO THE FLUID BEARINGS WHEN IMMERSED IN LIQUID IN SAID TANKS OF THE SYSTEM.
Claim 2
Dependent Claim
148 words
APPARATUS FOR CONTINUOUSLY DEPOSITING A LAYER OF MAGNETIC METAL OR METAL ALLOY ON THE SURFACE OF A NON-CONDUCTING WEB COMPRISING A SERIES OF STATIONARY FLUID BEARINGS DEFINING A CONTINOUS WEB PROCESSING PATH, A PLURALITY OF WEB SENSITIZING TANKS, AN ELECTROLESS PLATING TANK AND AT LEAST ONE ELECTROPLATING CELL ALL POSITIONED BENEATH SAID FLUID BEARINGS, A HEATING CHAMBER SURROUNDING AT LEAST SOME OF SAID FLUID BEARINGS BETWEEN SAID ELECTROLESS PLATING TANK AND SAID ELECTROPLATING TANK, MEANS FOR RAISING AND LOWERING SAID SENSITIZING TANKS, SAID ELECTROLESS PLATING TANKS AND SAID ELECTROPLATING CELL INTO AND OUT OF CONTACT WITH A WEB THREADED THROUGH SAID FLUID BEARINGS, MEANS FOR DRAWING SAID WEB OVER SAID FLUID BEARINGS, AND MEANS FOR SELECTIVELY PUMPING PRESSURIZED AIR TO THE FLUID BEARINGS OUT OF CONTACT WITH LIQUID IN SAID TANKS AND PRESSURIZED LIQUID TO THE FLUID BEARINGS WHEN IMMERSED IN LIQUID IN SAID TANKS OF THE SYSTEM.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |