US1455443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balanced hydraulic pump or motor
Assignee: TAYLORWHARTON IRON AND STEEL C
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Filing: 1919-11-12
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Granted: 1923-05-15
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Expires: 1939-11-12
Abstract
No abstract record available.
Inventors
- 👤 Waldemar F Mayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:21
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/04; F04B1/053; F04B1/0531; F01; F01B; F01B1/00; F01B1/06; F01B1/0603; F01B1/062; F01B1/0624; F03; F03C; F03C1/00; F03C1/02; F03C1/04; F03C1/0403; F03C1/0435; F03C1/0438; F03C1/047; F04B1/0536; F04B1/0538
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) | 1926-05-14 | 1926-11-13 | 1927-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-05-14 | 1930-11-13 | 1931-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-05-14 | 1934-11-13 | 1935-05-15 | $7700.00 | Window Closed / Lapsed |