Patent US3140507A successfully refreshed from Google Patents.
US3140507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge
Assignee: Corning Glass Works
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Filing: 1961-06-01
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Granted: 1964-07-14
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Expires: 1981-06-01
Abstract
No abstract record available.
Inventors
- 👤 Walter J Rozmus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:06
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/02; A47G19/08; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44291
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
AN IMPROVED HINGE CONSTRUCTION COMPRISING A SHEET OF RIGID MATERIAL, A RECESSED TROUGH PORTION FORMED IN SAID SHEET OF RIGID MATERIAL, SAID TROUGH HAVING OPPOSED OPEN END PORTIONS FORMING PINTLE RECEIVING PASSAGES; A BODY MEMBER HAVING A BIFURCATED END PORTION PROVIDED WITH A PAIR OF SPACED-APART BRANCHES FORMED INTEGRALLY WITH AND EXTENDING FROM THE BODY MEMBER, A PINTLE EXTENSION FORMED ON EACH OF SAID SPACED-APART BRANCHES ADJACENT AN OUTER END THEREOF AND PROJECTING LATERALLY OUTWARDLY WITH RESPECT TO A MEDIAN LINE EXTENDING BETWEEN SAID BRANCHES FOR INITIAL POSITIONMENT WITHIN SAID TROUGH, A BENDABLE BRIDGE PORTION CONNECTING SAID SPACED-APART BRANCHES ADJACENT THEIR OUTER ENDS AND EXTENDING SUBSTANTIALLY PREPENDICULAR TO SUCH MEDIAN LINE, AND SAID BRIDGE
Claim 2
Dependent Claim
114 words
AN IMPROVED HINGE CONSTRUCTION COMPRISING A SHEET OF RIGID MATERIAL, A RECESSED TROUGH PORTION FORMED IN SAID SHEET OF RIGID MATERIAL, SAID TROUGH HAVING OPPOSED OPEN END PORTIONS FORMING PINTLE RECEIVING PASSAGES; A BODY MEMBER HAVING A BIFURCATED END PORTION PROVIDED WITH A PAIR OF SPACED-APART BRANCHES FORMED INTEGRALLY WITH AND EXTENDING FROM THE BODY MEMBER, A PINTLE EXTENSION FORMED ON EACH OF SAID SPACED-APART BRANCHES ADJACENT AN OUTER END THEREOF AND PROJECTING LATERALLY OUTWARDLY WITH RESPECT TO A MEDIAN LINE EXTENDING BETWEEN SAID BRANCHES FOR INITIAL POSITIONMENT WITHIN SAID TROUGH, A BENDABLE BRIDGE PORTION CONNECTING SAID SPACED-APART BRANCHES ADJACENT THEIR OUTER ENDS AND EXTENDING SUBSTANTIALLY PREPENDICULAR TO SUCH MEDIAN LINE, AND SAID BRIDGE
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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) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |