US2603950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic system for obtaining automatic motor speed controls
Assignee: Individual
•
Filing: 1948-02-17
•
Granted: 1952-07-22
•
Expires: 1968-02-17
Abstract
No abstract record available.
Inventors
- 👤 Gaston Matheys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:28
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/26; B23Q5/266; B23Q5/268; B23Q5/34; B23Q5/36; F; F15; F15B; F15B11/00; F15B11/02; F15B11/04; F15B11/046; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/30525; F15B2211/32; F15B2211/321; F15B2211/325; F15B2211/40; F15B2211/405; F15B2211/40515; F15B2211/42; F15B2211/421; F15B2211/423; F15B2211/428; F15B2211/45; F15B2211/46; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7053; F15B2211/7055; F15B2211/75; F15B2211/77; F15B2211/7716; F15B2211/7725
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1964196A
Cited
GB373732A
Cited
US2071781A
Cited
US2160920A
Cited
US2303946A
Cited
US2328979A
Cited
US2328980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |