Patent US3110431A successfully refreshed from Google Patents.
US3110431A
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Tape loop handler with air support
Assignee: Potter Instrument Co Inc
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Filing: 1960-10-27
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Granted: 1963-11-12
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Expires: 1980-10-27
Abstract
No abstract record available.
Inventors
- 👤 John T Potter
- 👤 George E Comstock
- 👤 Sekyra Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:46
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A TAPE HANDLING SYSTEM, THE COMBINATION OF, A FIRST VACUUM CHAMBER INCLUDING A MAIN SUCTION PORT AND A PAIR OF ANGLED SIDE WALLS FORMING A TAPE-RECEIVING OPENING, SAID SIDE WALLS HAVING BLEED HOLES FOR SUPPORTING A LOOP OF TAPE AGAINST AN AIR FILM, A SECOND VACUUM CHAMBER SIMILAR TO SAID FIRST CHAMBER AND POSITIONED AT A DISTANCE WITH ITS TAPE RECEIVING OPENING FACING THE TAPE RECEIVING OPENING OF SAID FIRST CHAMBER FOR SUPPORTING AN ENDLESS TAPE THEREBETWEEN, EACH VACUUM CHAMBER HAVING MEANS FOR CONNECTION TO A VACUUM SOURCE, AND A DRIVE CAPSTAN MOUNTED BETWEEN SAID CHAMBERS FOR MOVING SAID TAPE ALONG A PATH PASSING WITHIN BOTH OF SAID CHAMBERS.
Claim 2
Dependent Claim
110 words
IN A TAPE HANDLING SYSTEM, THE COMBINATION OF, A FIRST VACUUM CHAMBER INCLUDING A MAIN SUCTION PORT AND A PAIR OF ANGLED SIDE WALLS FORMING A TAPE-RECEIVING OPENING, SAID SIDE WALLS HAVING BLEED HOLES FOR SUPPORTING A LOOP OF TAPE AGAINST AN AIR FILM, A SECOND VACUUM CHAMBER SIMILAR TO SAID FIRST CHAMBER AND POSITIONED AT A DISTANCE WITH ITS TAPE RECEIVING OPENING FACING THE TAPE RECEIVING OPENING OF SAID FIRST CHAMBER FOR SUPPORTING AN ENDLESS TAPE THEREBETWEEN, EACH VACUUM CHAMBER HAVING MEANS FOR CONNECTION TO A VACUUM SOURCE, AND A DRIVE CAPSTAN MOUNTED BETWEEN SAID CHAMBERS FOR MOVING SAID TAPE ALONG A PATH PASSING WITHIN BOTH OF SAID CHAMBERS.
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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) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |