Patent US3108728A successfully refreshed from Google Patents.
US3108728A
Expired / Lapsed
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Strip transport apparatus
Assignee: Ampex Corp
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Filing: 1960-08-01
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Granted: 1963-10-29
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Expires: 1980-08-01
Abstract
No abstract record available.
Inventors
- 👤 Walter T Selsted
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:29
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/02; G11B15/18; G11B15/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A FLEXIBLE STRIP TRANSPORT APPARATUS COMPRISING: A ROTATABLE CAPSTAN; AND CONTROL MEANS DISPOSED ADJACENT THE CAPSTAN AND SPACED THEREFROM TO FORM A GAP FOR RECEIVING THE FLEXIBLE STRIP, THE CONTROL MEANS INCLUDING PRESSURE MEANS FOR DIRECTING AN AIR FLOW ACROSS SAID GAP TO CLAMP THE FLEXIBLE STRIP AGAINST THE CAPSTAN, AND VALVE GATE MEANS MOUNTED CLOSELY ADJACENT THE SURFACE OF SAID CAPSTAN AND DIRECTLY CONFRONTING SAID CAPSTAN FOR PERMITTING AND PREVENTING SAID AIR FLOW AND FOR THEREBY CAUSING THE PRESSURE OF SAID AIR AT SAID CAPSTAN SURFACE TO RISE AND DECAY WITH A MINIMUM TIME DELAY.
Claim 2
Dependent Claim
96 words
A FLEXIBLE STRIP TRANSPORT APPARATUS COMPRISING: A ROTATABLE CAPSTAN; AND CONTROL MEANS DISPOSED ADJACENT THE CAPSTAN AND SPACED THEREFROM TO FORM A GAP FOR RECEIVING THE FLEXIBLE STRIP, THE CONTROL MEANS INCLUDING PRESSURE MEANS FOR DIRECTING AN AIR FLOW ACROSS SAID GAP TO CLAMP THE FLEXIBLE STRIP AGAINST THE CAPSTAN, AND VALVE GATE MEANS MOUNTED CLOSELY ADJACENT THE SURFACE OF SAID CAPSTAN AND DIRECTLY CONFRONTING SAID CAPSTAN FOR PERMITTING AND PREVENTING SAID AIR FLOW AND FOR THEREBY CAUSING THE PRESSURE OF SAID AIR AT SAID CAPSTAN SURFACE TO RISE AND DECAY WITH A MINIMUM TIME DELAY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |