Patent US2227415A successfully refreshed from Google Patents.
US3493451A
Expired / Lapsed
US
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Vacuum press and method of laminating therewith
Assignee: Boeing Co
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Filing: 1966-11-02
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Granted: 1970-02-03
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Expires: 1986-11-02
Abstract
No abstract record available.
Inventors
- 👤 Dale M Beery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:55
CPC Classifications
B; B44; B44C; B44C5/00; B44C5/04; B44C5/0469; B29; B29C; B29C51/00; B29C51/10; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1039; Y10T442/00; Y10T442/30; Y10T442/3382; Y10T442/3415
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) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |