Patent US2909794A successfully refreshed from Google Patents.
US2909794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hose washer
Assignee: CIRCUL AIR CORP
•
Filing: 1956-05-28
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Granted: 1959-10-27
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Expires: 1976-05-28
Abstract
No abstract record available.
Inventors
- 👤 Clarence T Mcgraw
- 👤 William J Cain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:50
CPC Classifications
A; A62; A62C; A62C33/00; A62C33/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US590836A
Cited
US663282A
Cited
US831294A
Cited
GB191311917A
Cited
US2282628A
Cited
DE887453C
Cited
US2784432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |