US3067469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of porous sheet materials
Assignee: Rogers Corp
•
Filing: 1959-07-24
•
Granted: 1962-12-11
•
Expires: 1979-07-24
Abstract
No abstract record available.
Inventors
- 👤 Walter W Yarrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:35
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/24; Y; Y10; Y10S; Y10S521/00; Y10S521/919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732324A
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GB333161A
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US2299066A
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US2446644A
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US2543101A
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US2451597A
Cited
US2600164A
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US2697254A
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US2707081A
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US2704735A
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US2813052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |