Patent US2256887A successfully refreshed from Google Patents.
US2256887A
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Assignee: FRANCES M GROSZ
•
Filing: 1939-06-17
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Granted: 1941-09-23
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Expires: 1959-06-17
Abstract
No abstract record available.
Inventors
- 👤 Beck Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:00
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/18; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3428; Y10T24/3449; Y10T24/3453; Y10T24/3455; Y10T24/44; Y10T24/44291; Y10T24/4453; Y10T24/44538; Y10T24/44564
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) | 1944-09-22 | 1945-03-24 | 1945-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-09-22 | 1949-03-24 | 1949-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-09-22 | 1953-03-24 | 1953-09-23 | $7700.00 | Window Closed / Lapsed |