US2961269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beam clamp
Assignee: Individual
•
Filing: 1957-08-21
•
Granted: 1960-11-22
•
Expires: 1977-08-21
Abstract
No abstract record available.
Inventors
- 👤 Renfroe Charles Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:53
CPC Classifications
F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; B; B66; B66C; B66C1/00; B66C1/10; B66C1/62; B66C1/64; E; E04; E04B; E04B9/00; E04B9/18; F16B2/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US368408A
Cited
US862840A
Cited
US1729330A
Cited
US1959722A
Cited
US2568263A
Cited
US2671625A
Cited
DE841894C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |