Patent US2779958A successfully refreshed from Google Patents.
US2779958A
Expired / Lapsed
US
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Bridging elements
Assignee: Hodges Research and Development Co
•
Filing: 1951-08-29
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Granted: 1957-02-05
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Expires: 1971-08-29
Abstract
No abstract record available.
Inventors
- 👤 William C Hodges
- 👤 Alexander L Robb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:02
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/28; B65G69/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US426209A
Cited
US770652A
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US1000983A
Cited
US1262930A
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US1628809A
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US2083178A
Cited
US2644180A
Cited
US2670484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |