Patent US3454457A successfully refreshed from Google Patents.
US3454457A
Expired / Lapsed
US
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Fabricated caul plate
Assignee: Domtar Inc
•
Filing: 1966-01-19
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Granted: 1969-07-08
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Expires: 1986-01-19
Abstract
No abstract record available.
Inventors
- 👤 Edward C Hale
- 👤 Peter S Kerekes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:11
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/06; B32B27/10; B29; B29C; B29C33/00; B29C33/56; B29C33/68; B29C43/00; B30; B30B; B30B15/00; B30B15/06; B30B15/062; B32B27/30; B32B27/304; B32B27/32; B32B37/00; B32B37/06; B32B37/10; B32B7/00; B32B7/04; B32B7/06; B44; B44C; B44C1/00; B44C1/24; B32B2260/00; B32B2260/04; B32B2260/046; B32B2307/00; B32B2307/50; B32B2307/514; B32B2307/518; B32B2309/00; B32B2309/02; B32B2327/00; B32B2327/12; B32B2327/18; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1023; Y10T156/1039; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24521; Y10T428/24554; Y10T428/24802; Y10T428/24934
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3018189A
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US2871144A
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US3133854A
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US3399101A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |