US2472783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handle control mechanism
Assignee: Individual
•
Filing: 1944-11-24
•
Granted: 1949-06-14
•
Expires: 1964-11-24
Abstract
No abstract record available.
Inventors
- 👤 Gerald N Barrere
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:28
CPC Classifications
F; F16; F16D; F16D23/00; F16D23/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US178500A
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US1311299A
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DE575152C
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US880403A
Cited
US992375A
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US1125623A
Cited
US1877197A
Cited
US1999284A
Cited
US2092104A
Cited
GB438861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |