US3041663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for forming fibers
Assignee: PPG Industries Inc
•
Filing: 1958-12-23
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Granted: 1962-07-03
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Expires: 1978-12-23
Abstract
No abstract record available.
Inventors
- 👤 Franklin H Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:39
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/28; B65H54/2803; B65H54/2836; B65H54/2845; B65H54/2893; B65H2701/00; B65H2701/30; B65H2701/31; B65H2701/312; B65H2701/3122; Y; Y10; Y10S; Y10S242/00; Y10S242/92
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE231800C
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US1888395A
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US2234986A
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US2234356A
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US2323000A
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US2391870A
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US2846157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |