US2496676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum pump
Assignee: RITE WAY PRODUCTS Co
•
Filing: 1946-11-12
•
Granted: 1950-02-07
•
Expires: 1966-11-12
Abstract
No abstract record available.
Inventors
- 👤 Rawson Emanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:10
CPC Classifications
F; F04; F04C; F04C29/00; F04C29/02; F04C29/026; Y; Y10; Y10S; Y10S418/00; Y10S418/01
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1178910A
Cited
US1352750A
Cited
US1899904A
Cited
US2049211A
Cited
US2070151A
Cited
US2272926A
Cited
US2313387A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |