Patent US2939663A successfully refreshed from Google Patents.
US2939663A
Expired / Lapsed
US
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Constant support device
Assignee: Bergen Pipe Support Corp
•
Filing: 1956-03-28
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Granted: 1960-06-07
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Expires: 1976-03-28
Abstract
No abstract record available.
Inventors
- 👤 Leonard S Suozzo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:11
CPC Classifications
F; F16; F16F; F16F3/00; F16F3/02; F16F1/00; F16F1/02; F16F1/32; F16F15/00; F16F15/02; F16F15/04; F16F15/06; F16L; F16L3/00; F16L3/16; F16L3/20; F16L3/205; F16L3/2056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2308475A
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US2420276A
Cited
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Cited
US2618449A
Cited
US2656997A
Cited
US2708110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |