US3283447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Platen for contour sanding, grinding and polishing
Assignee: Individual
•
Filing: 1964-03-19
•
Granted: 1966-11-08
•
Expires: 1984-03-19
Abstract
No abstract record available.
Inventors
- 👤 Hiram W Cretsinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:08
CPC Classifications
B; B24; B24B; B24B21/00; B24B21/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A PLATEN FOR HOLDING AN ABRADING MEMBER IN ENGAGEMENT WITH A CURVED WORK PIECE MOVABLE RELATIVE TO THE ABRADING MEMBER, SAID PLATEN COMPRISING: A FRAME, A BASE PLATE, MEANS TO MOUNT SAID BASE PLATE ON SAID FRAME, AN INFLATABLE MEMBER MOUNTED ON SAID BASE PLATE AND POSITIONED TO EXERT PRESSURE ON THE SURFACE OF SAID ABRADING MEMBER OPPOSITE SAID WORK PIECE, LATERAL SUPPORT MEANS ON THE SIDES OF SAID INFLATABLE MEMBER TO REDUCE THE WIDTH OF SAID MEMBER IN CERTAIN PORTIONS AND INCREASE THE HEIGHT THEREOF IN THE SAME PORTIONS, AND MEANS TO PERMIT GAS UNDER PRESSURE TO BE INTRODUCED IN SAID INFLATABLE MEMBER.
Claim 2
Dependent Claim
104 words
A PLATEN FOR HOLDING AN ABRADING MEMBER IN ENGAGEMENT WITH A CURVED WORK PIECE MOVABLE RELATIVE TO THE ABRADING MEMBER, SAID PLATEN COMPRISING: A FRAME, A BASE PLATE, MEANS TO MOUNT SAID BASE PLATE ON SAID FRAME, AN INFLATABLE MEMBER MOUNTED ON SAID BASE PLATE AND POSITIONED TO EXERT PRESSURE ON THE SURFACE OF SAID ABRADING MEMBER OPPOSITE SAID WORK PIECE, LATERAL SUPPORT MEANS ON THE SIDES OF SAID INFLATABLE MEMBER TO REDUCE THE WIDTH OF SAID MEMBER IN CERTAIN PORTIONS AND INCREASE THE HEIGHT THEREOF IN THE SAME PORTIONS, AND MEANS TO PERMIT GAS UNDER PRESSURE TO BE INTRODUCED IN SAID INFLATABLE MEMBER.
References Cited (Backward Citations)
US2458217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |