US2699790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring clip or bobby pin and the like
Assignee: Individual
•
Filing: 1952-06-02
•
Granted: 1955-01-18
•
Expires: 1972-06-02
Abstract
No abstract record available.
Inventors
- 👤 Porteous Ronald Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:57
CPC Classifications
A; A45; A45D; A45D8/00; A45D8/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1337377A
Cited
US1372285A
Cited
US1528454A
Cited
US1798487A
Cited
DE805543C
Cited
US2548973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |