US2432305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic operating circuit for machine tools and the like
Assignee: HPM Development Corp
•
Filing: 1944-03-06
•
Granted: 1947-12-09
•
Expires: 1964-03-06
Abstract
No abstract record available.
Inventors
- 👤 George M Geiger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:51
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/26; F; F15; F15B; F15B11/00; F15B11/02; F15B11/04; F15B11/05; F15B11/055; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/2053; F15B2211/20546; F15B2211/20553; F15B2211/30; F15B2211/305; F15B2211/3056; F15B2211/30565; F15B2211/315; F15B2211/31505; F15B2211/31511; F15B2211/3157; F15B2211/31576; F15B2211/32; F15B2211/321; F15B2211/324; F15B2211/325; F15B2211/329; F15B2211/60; F15B2211/635; F15B2211/6355; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7053; F15B2211/77; F15B2211/7716
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-08 | 1951-06-09 | 1951-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-08 | 1955-06-09 | 1955-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-08 | 1959-06-09 | 1959-12-09 | $7700.00 | Window Closed / Lapsed |