US2922167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making buttonholes
Assignee: Individual
•
Filing: 1958-01-24
•
Granted: 1960-01-26
•
Expires: 1978-01-24
Abstract
No abstract record available.
Inventors
- 👤 Berlin Erna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:46
CPC Classifications
A; A41; A41H; A41H25/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1026; Y10T156/1034
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US400408A
Cited
CA500463A
Cited
US1066477A
Cited
US2411328A
Cited
US2657159A
Cited
US2636181A
Cited
US2713686A
Cited
GB754571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |