US3239116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mat feathering method
Assignee: Structural Fibers Inc
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Filing: 1964-12-01
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Granted: 1966-03-08
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Expires: 1984-12-01
Abstract
No abstract record available.
Inventors
- 👤 William M Hulak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:59
CPC Classifications
B; B29; B29D; B29D22/00; B29K; B29K2105/00; B29K2105/06; Y; Y10; Y10T; Y10T225/00; Y10T225/10; Y10T225/14; Y10T225/30; Y10T225/329; Y10T225/336; Y10T225/343; Y10T225/35; Y10T225/357
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |