US2143309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fitting fastener
Assignee: —
•
Filing: —
•
Granted: 1939-01-10
•
Expires: 1956-01-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:32
CPC Classifications
A; A44; A44B; A44B13/00; A44B13/0005; A44B13/0017; A44B13/0029; A44B13/0035; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/43; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/4523; Y10T24/4588; Y10T24/45906; Y10T24/45911; Y10T24/45921; Y10T24/45969; Y10T24/45974
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-01-09 | 1942-07-11 | 1943-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-01-09 | 1946-07-11 | 1947-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-01-09 | 1950-07-11 | 1951-01-10 | $7700.00 | Window Closed / Lapsed |