US3458385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expandable honeycomb structure
Assignee: Wyeth Holdings LLC
•
Filing: 1966-01-24
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Granted: 1969-07-29
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Expires: 1986-01-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph Don Bova
- 👤 Harry Charles Engel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:05
CPC Classifications
B; B31; B31D; B31D3/00; B31D3/02; B31D3/0223; B31D3/0276; B32; B32B; B32B3/00; B32B3/10; B32B3/12; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T156/1052; Y10T156/1056; Y10T156/12; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T428/24165; Y10T428/24273; Y10T428/24298; Y10T428/24306; Y10T428/24322; Y10T428/24802; Y10T428/24826
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) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |