Patent US1492291A successfully refreshed from Google Patents.
US1492291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Winder
Assignee: Individual
•
Filing: 1921-10-29
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Granted: 1924-04-29
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Expires: 1941-10-29
Abstract
No abstract record available.
Inventors
- 👤 Giovannoni Egisto
- 👤 Jones Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:03
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/321; B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/24; B65H75/242; B65H75/246
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) | 1927-04-29 | 1927-10-29 | 1928-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-04-29 | 1931-10-29 | 1932-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-04-29 | 1935-10-29 | 1936-04-29 | $7700.00 | Window Closed / Lapsed |