US2874754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pleating paper and method
Assignee: Sorg Paper Co
•
Filing: 1956-08-06
•
Granted: 1959-02-24
•
Expires: 1976-08-06
Abstract
No abstract record available.
Inventors
- 👤 Yost De Witte Mason
- 👤 James C Schmitt
- 👤 Howarth E Bouis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:35
CPC Classifications
D; D06; D06J; D06J1/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1015; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24669; Y10T428/24694
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1951620A
Cited
US2190843A
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US2081052A
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US2385879A
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US2318497A
Cited
US2392972A
Cited
US2598173A
Cited
US2615375A
Cited
US2676897A
Cited
US2764193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |