Patent US3522909A successfully refreshed from Google Patents.
US3522909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instantaneous high-impact fluid jet cleaning systems
Assignee: Clayton Manufacturing Co
•
Filing: 1968-06-26
•
Granted: 1970-08-04
•
Expires: 1988-06-26
Abstract
No abstract record available.
Inventors
- 👤 Perry Arant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:04
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/10; F24H1/12; F24H1/14; F24H1/16; F24H1/165; B; B08; B08B; B08B3/00; B08B3/02; B08B3/026; B08B2203/00; B08B2203/007; B08B2203/02; B08B2203/0217; B08B2230/00; B08B2230/01
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |