US2770144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible link chain
Assignee: Individual
•
Filing: 1952-06-12
•
Granted: 1956-11-13
•
Expires: 1972-06-12
Abstract
No abstract record available.
Inventors
- 👤 Wilfrid H Bendall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:49
CPC Classifications
F; F16; F16G; F16G13/00; F16G13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1202773A
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GB200832A
Cited
US1955181A
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US2062115A
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US2130548A
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US2208878A
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US2321702A
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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) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |