US2869914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extension arm
Assignee: Individual
•
Filing: 1956-07-10
•
Granted: 1959-01-20
•
Expires: 1976-07-10
Abstract
No abstract record available.
Inventors
- 👤 Jr William R Yoakley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:47
CPC Classifications
B; B25; B25J; B25J1/00; B25J1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US163003A
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US302924A
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US473739A
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US2493108A
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US872748A
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US1180764A
Cited
US1350675A
Cited
US1672477A
Cited
US2193073A
Cited
US2374582A
Cited
US2555406A
Cited
US2712466A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |