Patent US1680646A successfully refreshed from Google Patents.
US1680646A
Expired / Lapsed
US
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Molded article and method of making the same
Assignee: Individual
•
Filing: 1922-09-26
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Granted: 1928-08-14
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Expires: 1942-09-26
Abstract
No abstract record available.
Inventors
- 👤 Grant E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:35
CPC Classifications
B; B62; B62D; B62D1/00; B62D1/02; B62D1/04; Y; Y10; Y10S; Y10S16/00; Y10S16/18; Y10T; Y10T29/00; Y10T29/49; Y10T29/49481; Y10T29/49488; Y10T29/4998; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20834
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) | 1931-08-14 | 1932-02-13 | 1932-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-08-14 | 1936-02-13 | 1936-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-08-14 | 1940-02-13 | 1940-08-14 | $7700.00 | Window Closed / Lapsed |