US2020993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal molding and fastening means therefor
Assignee: Individual
•
Filing: 1933-11-10
•
Granted: 1935-11-12
•
Expires: 1953-11-10
Abstract
No abstract record available.
Inventors
- 👤 Clarence P Chamberlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:49
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/12; F16B5/123; F16B5/125; B; B60; B60R; B60R13/00; B60R13/04; F16B5/128; Y; Y10; Y10T; Y10T24/00; Y10T24/30; Y10T24/304; Y10T24/307
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) | 1938-11-11 | 1939-05-13 | 1939-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-11-11 | 1943-05-13 | 1943-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-11-11 | 1947-05-13 | 1947-11-12 | $7700.00 | Window Closed / Lapsed |