US3431055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning device
Assignee: GEORGE M LOWERY
•
Filing: 1966-07-08
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Granted: 1969-03-04
•
Expires: 1986-07-08
Abstract
No abstract record available.
Inventors
- 👤 George M Lowery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:00
CPC Classifications
A; A46; A46B; A46B11/00; A46B11/001; A46B11/0062; A46B15/00; A46B2200/00; A46B2200/10; A46B2200/102; A46B2200/1046; A46B2200/20
Claims Analysis
Total Claims: 0
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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) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |