US3416983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making honeycomb
Assignee: Hexcel Corp
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Filing: 1964-03-16
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Granted: 1968-12-17
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Expires: 1984-03-16
Abstract
No abstract record available.
Inventors
- 👤 Roger C Steele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:11
CPC Classifications
B; B31; B31D; B31D3/00; B31D3/02; B31D3/0223; B31D3/0246; B31D3/0253; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T156/12; Y10T156/13; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1724
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) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |