US2234252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sized cloth base and product made therewith
Assignee: Irvington Varnish & Insulator
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Filing: 1939-09-22
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Granted: 1941-03-11
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Expires: 1959-09-22
Abstract
No abstract record available.
Inventors
- 👤 Edward C Homan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:40
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/01; D06M15/03; D06M15/05; D06M15/09; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31844; Y10T428/31848; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098; Y10T442/2402; Y10T442/2475
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) | 1944-03-10 | 1944-09-09 | 1945-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-03-10 | 1948-09-09 | 1949-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-03-10 | 1952-09-09 | 1953-03-11 | $7700.00 | Window Closed / Lapsed |