US2430677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamp
Assignee: Individual
•
Filing: 1945-04-17
•
Granted: 1947-11-11
•
Expires: 1965-04-17
Abstract
No abstract record available.
Inventors
- 👤 Leo G Hobart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:11
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/28; Y; Y10; Y10T; Y10T409/00; Y10T409/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US63929A
Cited
US97986A
Cited
US319748A
Cited
US1297539A
Cited
US1676289A
Cited
US1812452A
Cited
US2043125A
Cited
US2325387A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |