Patent US3151663A successfully refreshed from Google Patents.
US3151663A
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US
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Inflatable closure apparatus
Assignee: Motors Liquidation Co
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Filing: 1961-10-27
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Granted: 1964-10-06
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Expires: 1981-10-27
Abstract
No abstract record available.
Inventors
- 👤 Walter A Bohner
- 👤 John S Edstam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:15
CPC Classifications
B; B63; B63B; B63B19/00; B63B19/12; B63B19/14; B60; B60F; B60F3/00; B60F3/003; B60F3/0038; B60F2301/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
103 words
IN A BODY HAVING AN OPENING THEREIN, CLOSURE APPARATUS COMPRISING, A CLOSURE MEMBER INCLUDING A PLURALITY OF ELONGATED INFLATABLE CELLS ARRANGED SIDE-BY-SIDE IN ABUTTING FLUID TIGHT RELATIONSHIP, MEANS MOUNTING SAID MEMBER ON SAID BODY FOR MOVEMENT RELATIVE TO SAID OPENING BETWEEN A RETRACTED DEFLATED OPEN POSITION WHEREIN SAID CELLS ARE LOCATED TO ONE SIDE OF SAID OPENING AND AN EXTENDED INFLATED CLOSED POSITION WHEREIN SAID CELLS CLOSE SAID OPENING, MEANS INCLUDING MOTOR MEANS CONNECTED TO AT LEAST ONE OF SAID CELLS FOR MOVING SAID MEMBER BETWEEN SAID OPEN AND CLOSED POSITIONS THEREOF, AND FLUID SUPPLY MEANS FOR SELECTIVELY INFLATING SAID CELLS AS SAID
References Cited (Backward Citations)
US1221496A
Cited
US1806859A
Cited
US1976793A
Cited
US2747929A
Cited
US2807499A
Cited
US2977106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |