US2665662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating machine for sheet material
Assignee: Potdevin Machine Co
•
Filing: 1951-01-13
•
Granted: 1954-01-12
•
Expires: 1971-01-13
Abstract
No abstract record available.
Inventors
- 👤 Robert L Richmond
- 👤 Louis A Roth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:33
CPC Classifications
B; B05; B05C; B05C1/00; B05C1/02; B05C1/025
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1981321A
Cited
US2013056A
Cited
US2159641A
Cited
US2236239A
Cited
US2161325A
Cited
US2444878A
Cited
US2461388A
Cited
US2493165A
Cited
US2506650A
Cited
US2520768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |