US2685404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile air compressor unit
Assignee: Individual
•
Filing: 1951-06-19
•
Granted: 1954-08-03
•
Expires: 1971-06-19
Abstract
No abstract record available.
Inventors
- 👤 Wohlmeyer Josef Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:06
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/06; F04B39/066; F04B35/00; F04B35/06; F04B41/00; F04B41/02; Y; Y10; Y10S; Y10S165/00; Y10S165/228; Y10S165/302; Y10S165/314
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US761598A
Cited
US720872A
Cited
US1895816A
Cited
DE644160C
Cited
US2015525A
Cited
US2091611A
Cited
US2122656A
Cited
GB546678A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |