US2422723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure fastener
Assignee: Individual
•
Filing: 1946-01-29
•
Granted: 1947-06-24
•
Expires: 1966-01-29
Abstract
No abstract record available.
Inventors
- 👤 Albert T Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:16
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/02; E05C3/04; E05C3/041; E05C3/045; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1039; Y10T292/10395; Y10T292/104; Y10T292/1041; Y10T292/1043; Y10T292/1075; Y10T292/1083; Y10T292/1085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-23 | 1950-12-23 | 1951-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-23 | 1954-12-23 | 1955-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-23 | 1958-12-23 | 1959-06-24 | $7700.00 | Window Closed / Lapsed |