US3451374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curtain coating apparatus
Assignee: Simpson Timber Co
•
Filing: 1965-12-08
•
Granted: 1969-06-24
•
Expires: 1985-12-08
Abstract
No abstract record available.
Inventors
- 👤 Victor H Clausen
- 👤 Reino A Jarvi
- 👤 Arnold Zweig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:53
CPC Classifications
B; B05; B05C; B05C5/00; B05C5/02; B05C5/0254; B05C11/00; B05C11/10; B05C11/1042; B29; B29B; B29B13/00; B29B13/02; B29B13/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3172777A
Cited
US1346898A
Cited
US2875094A
Cited
US2915023A
Cited
US3067060A
Cited
US3021779A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |