Patent US1705652A successfully refreshed from Google Patents.
Patent US2532679A successfully refreshed from Google Patents.
US2532679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure booster
Assignee: Ingersoll Rand Co
•
Filing: 1944-04-11
•
Granted: 1950-12-05
•
Expires: 1964-04-11
Abstract
No abstract record available.
Inventors
- 👤 Fred M Slater
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:25
CPC Classifications
F; F04; F04B; F04B9/00; F04B9/08; F04B9/10; F04B9/109; F04B9/111; F04B9/113; B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/46; B60T13/52; B60T13/569; B60T13/57; F15; F15B; F15B3/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2554; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86413
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US126083A
Cited
US1448486A
Cited
US1600384A
Cited
US1941766A
Cited
US1991595A
Cited
US2080695A
Cited
US2279364A
Cited
US2231307A
Cited
US2340929A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |