US3067444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary cleaning device
Assignee: Individual
•
Filing: 1959-07-28
•
Granted: 1962-12-11
•
Expires: 1979-07-28
Abstract
No abstract record available.
Inventors
- 👤 Donald L Dickson
- 👤 Rufus F Dickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:33
CPC Classifications
A; A46; A46B; A46B7/00; A46B7/06; A46B7/10; B; B60; B60S; B60S3/00; B60S3/04; B60S3/06; B60S3/063; A46B2200/00; A46B2200/30; A46B2200/3046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1775186A
Cited
GB291675A
Cited
US2407408A
Cited
US2672635A
Cited
US2637054A
Cited
US2646586A
Cited
DE1006829B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |