Patent US2160731A successfully refreshed from Google Patents.
US2160731A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1938-05-18
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Granted: 1939-05-30
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Expires: 1958-05-18
Abstract
No abstract record available.
Inventors
- 👤 Haeberlin Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:20
CPC Classifications
A; A46; A46D; A46D1/00; A46D1/02; A46D1/023; A46B; A46B11/00; A46B5/00; A46D1/0276; A46B2200/00; A46B2200/10; A46B2200/1066
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) | 1942-05-29 | 1942-11-28 | 1943-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-29 | 1946-11-28 | 1947-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-29 | 1950-11-28 | 1951-05-30 | $7700.00 | Window Closed / Lapsed |