US2462924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear tooth profile
Assignee: EQUI FLOW Inc
•
Filing: 1944-03-01
•
Granted: 1949-03-01
•
Expires: 1964-03-01
Abstract
No abstract record available.
Inventors
- 👤 Gustave A Ungar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:12
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/082; F04C2/084; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19949; Y10T74/19963; Y10T74/19972; Y10T74/19986
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1434987A
Cited
GB189608084A
Cited
DE425689C
Cited
US1828114A
Cited
GB382953A
Cited
US2321696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |