US2941573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for regulating corrugating machines
Assignee: Individual
•
Filing: 1958-03-28
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Granted: 1960-06-21
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Expires: 1978-03-28
Abstract
No abstract record available.
Inventors
- 👤 Robert T Cassady
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:54
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B31F1/2831; F; F26; F26B; F26B13/00; F26B13/10; F26B13/101; F26B13/105; F26B23/00; F26B23/10; F26B3/00; F26B3/18; F26B3/22; Y; Y10; Y10T; Y10T156/00; Y10T156/10
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) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |