US3470053A
Expired / Lapsed
US
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Method and apparatus for making corrugated material structure
Assignee: Hexcel Corp
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Filing: 1965-02-19
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Granted: 1969-09-30
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Expires: 1985-02-19
Abstract
No abstract record available.
Inventors
- 👤 Edwin L Rule
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:54
CPC Classifications
B; B32; B32B; B32B3/00; B32B3/10; B32B3/12; B21; B21D; B21D13/00; B21D13/04; B31; B31D; B31D3/00; B31D3/005; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/242; G; G21; G21K; G21K1/00; G21K1/02; G21K1/025; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1016; Y10T156/102; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49828; Y10T29/49829; Y10T29/49879; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T83/00; Y10T83/02; Y10T83/0333; Y10T83/0356
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) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |