Patent US4010936A successfully refreshed from Google Patents.
Patent US3528334A successfully refreshed from Google Patents.
US3528334A
Expired / Lapsed
US
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Fabrication of honeycomb type cellular materials
Assignee: Individual
•
Filing: 1967-07-11
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Granted: 1970-09-15
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Expires: 1987-07-11
Abstract
No abstract record available.
Inventors
- 👤 Robert C Geschwender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:23
CPC Classifications
B; B31; B31D; B31D3/00; B31D3/02; B31D3/0223; B31D3/0246; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/483; Y10T83/4838; Y10T83/869; Y10T83/8745; Y10T83/929; Y10T83/9372; Y10T83/9408
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |