US3431616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wallpaper removing roller
Assignee: Perf A Roller Co Inc
•
Filing: 1966-12-19
•
Granted: 1969-03-11
•
Expires: 1986-12-19
Abstract
No abstract record available.
Inventors
- 👤 Kenneth D Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:39
CPC Classifications
B; B44; B44C; B44C7/00; B44C7/02; B44C7/027; Y; Y10; Y10S; Y10S156/00; Y10S156/918; Y10S156/929; Y10T; Y10T156/00; Y10T156/11; Y10T156/1168
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1070241A
Cited
US1518320A
Cited
GB490174A
Cited
US2435349A
Cited
US2471763A
Cited
US2824326A
Cited
US3336625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |