US2718104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
V-block
Assignee: Individual
•
Filing: 1953-10-08
•
Granted: 1955-09-20
•
Expires: 1973-10-08
Abstract
No abstract record available.
Inventors
- 👤 Manuel B Kirklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:51
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/10; B23Q3/104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1705629A
Cited
GB336474A
Cited
US2194089A
Cited
US2371831A
Cited
US2449459A
Cited
US2585594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-19 | 1959-03-21 | 1959-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-19 | 1963-03-21 | 1963-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-19 | 1967-03-21 | 1967-09-20 | $7700.00 | Window Closed / Lapsed |