Patent US3050896A successfully refreshed from Google Patents.
US2879804A
Expired / Lapsed
US
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Reinforced expansion joint
Assignee: Garlock Packing Co
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Filing: 1957-04-18
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Granted: 1959-03-31
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Expires: 1977-04-18
Abstract
No abstract record available.
Inventors
- 👤 Frank E Hammond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:43
CPC Classifications
F; F16; F16L; F16L51/00; F16L51/02; F16L51/022; F16L51/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1911570A
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US1263953A
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US2268249A
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US2365063A
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US2387486A
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US2544119A
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US2592501A
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US2692782A
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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) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |