Patent US2959131A successfully refreshed from Google Patents.
US2959131A
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US
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Assignee: Plenty and Son Ltd
•
Filing: 1958-05-06
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Granted: 1960-11-08
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Expires: 1978-05-06
Abstract
No abstract record available.
Inventors
- 👤 Shoosmith Guy Taite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:52
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/02; F04B43/025; F04B43/026; F04B43/0009; F04B43/0081; F04B43/009; F04B43/06; F04B43/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US116669A
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US356997A
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US2117863A
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US2145937A
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US2239481A
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US2362822A
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US2662478A
Cited
US2691943A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |