US3442998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making impregnated fiber articles
Assignee: Structural Fibers Inc
•
Filing: 1967-10-17
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Granted: 1969-05-06
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Expires: 1987-10-17
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Wiltshire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:15
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/42; B29C70/46; B29C70/48; B29C70/44; B29C70/443; B29D; B29D22/00; B29C43/00; B29C43/02; B29C43/10; B29C43/12; B29K; B29K2105/00; B29K2105/06; B29L; B29L2031/00; B29L2031/712; B29L2031/7126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2977269A
Cited
US3153833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |