Patent US1929050A successfully refreshed from Google Patents.
US1929050A
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Assignee: EMIL H HOFFMANN
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Filing: 1931-12-23
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Granted: 1933-10-03
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Expires: 1951-12-23
Abstract
No abstract record available.
Inventors
- 👤 Bender Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:10
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/02; F16C19/14; F16C19/16; F16C19/163; F16C43/00; F16C43/04; F16C43/06; F16L; F16L27/00; F16L27/08; F16L27/0804; F16L27/0808; F16L27/0824; F16C2326/00; F16C2326/20; F16C2361/00; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32975; Y10T403/70; Y10T403/7075
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) | 1936-10-02 | 1937-04-03 | 1937-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-10-02 | 1941-04-03 | 1941-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-10-02 | 1945-04-03 | 1945-10-03 | $7700.00 | Window Closed / Lapsed |