US2929408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fin construction
Assignee: Acme Industries Inc
•
Filing: 1955-04-27
•
Granted: 1960-03-22
•
Expires: 1975-04-27
Abstract
No abstract record available.
Inventors
- 👤 Kenneth A Weatherwax
- 👤 Lewis R Smith
- 👤 John F Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:17
CPC Classifications
F; F28; F28F; F28F13/00; F28F13/06; F28F1/00; F28F1/10; F28F1/40; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49377; Y10T29/49378; Y10T29/49384; Y10T29/49826; Y10T29/49879; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1591116A
Cited
US1914477A
Cited
US2386159A
Cited
US2693026A
Cited
US2726681A
Cited
US2722733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |