Patent US1593732A successfully refreshed from Google Patents.
US1593732A
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Coupling mechanism
Assignee: HUGO C ZEITZ
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Filing: 1923-08-25
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Granted: 1926-07-27
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Expires: 1943-08-25
Abstract
No abstract record available.
Inventors
- 👤 James A Street
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:15
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/38; F; F16; F16D; F16D7/00; F16D7/02; Y; Y10; Y10T; Y10T408/00; Y10T408/70
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) | 1929-07-26 | 1930-01-25 | 1930-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-07-26 | 1934-01-25 | 1934-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-07-26 | 1938-01-25 | 1938-07-27 | $7700.00 | Window Closed / Lapsed |