Patent US3075234A successfully refreshed from Google Patents.
US3075234A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed hinge
Assignee: Douglas Aircraft Co Inc
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Filing: 1960-04-29
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Granted: 1963-01-29
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Expires: 1980-04-29
Abstract
No abstract record available.
Inventors
- 👤 Eugene R Speakman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:00
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/14; B64C1/1407; B64C1/1446; E; E05; E05D; E05D11/00; E05D11/0054; E05D7/00; E05D7/009; E05Y; E05Y2800/00; E05Y2800/10; E05Y2800/12; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; E05Y2900/50; E05Y2900/502
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
83 words
A SEALED HINGE FOR USE WITH A PAIR OF MEMBERS TO BE JOINED FOR CLOSING AN OPENING COMPRISING: A HINGE MEANS FOR MOUNTING A FIRST ONE OF SAID MEMBERS FOR ROTATION ABOUT A SECOND ONE; A CHANNEL SHAPED FLEXIBLE SEALING STRIP HAVING A PAIR OF PROJECTING LEGS, SAID SEALING STRIP BEING COEXTENSIVE IN LENGTH WITH SAID HINGE MEANS; AND ATTACHMENT MEANS COACTING WITH SAID SEALING STRIP FOR ATTACHING SAID STRIP ROTATABLY TO SAID HINGE MEANS WHEREBY SAID HINGE MEANS WILL CONTACT SAID PROJECTING
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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |