US2592186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hairpin holder
Assignee: Individual
•
Filing: 1946-06-04
•
Granted: 1952-04-08
•
Expires: 1966-06-04
Abstract
No abstract record available.
Inventors
- 👤 Rudolph E Ratliff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:49
CPC Classifications
A; A45; A45D; A45D44/00; A45D44/02; A45D44/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US331149A
Cited
US1198186A
Cited
US1232757A
Cited
US2283543A
Cited
US2375565A
Cited
US2409867A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |