US3058668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning apparatus
Assignee: Individual
•
Filing: 1960-10-07
•
Granted: 1962-10-16
•
Expires: 1980-10-07
Abstract
No abstract record available.
Inventors
- 👤 Oren B Harmes
- 👤 John H Therlkeld
- 👤 Donald A Deal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:08
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/02; B08B3/026; B08B3/028; B05; B05B; B05B12/00; B05B12/14; B05B12/1409; B05B9/00; B05B9/01; B05B9/03; B05B9/04; B05B9/0403; B08B2203/00; B08B2203/02; B08B2203/0217
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2000367A
Cited
US2571575A
Cited
US2606069A
Cited
US2919070A
Cited
US2943797A
Cited
US2861838A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |