US2767720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair clamp
Assignee: Individual
•
Filing: 1953-04-13
•
Granted: 1956-10-23
•
Expires: 1973-04-13
Abstract
No abstract record available.
Inventors
- 👤 Carl G Harridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:56
CPC Classifications
A; A45; A45D; A45D8/00; A45D8/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1586025A
Cited
US1893281A
Cited
US2508563A
Cited
US2464739A
Cited
US2500391A
Cited
US2641266A
Cited
US2638908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |