US1987264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape cleaner
Assignee: Individual
•
Filing: 1933-12-19
•
Granted: 1935-01-08
•
Expires: 1953-12-19
Abstract
No abstract record available.
Inventors
- 👤 Mcmahan Walker Duncan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:33
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/34; B65H75/38; B65H75/44; G; G01; G01B; G01B3/00; G01B3/10; G01B3/1084; B65H2301/00; B65H2301/50; B65H2301/51; B65H2301/511; B65H2301/5115; G01B3/1003
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-01-07 | 1938-07-09 | 1939-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-01-07 | 1942-07-09 | 1943-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-01-07 | 1946-07-09 | 1947-01-08 | $7700.00 | Window Closed / Lapsed |