Patent US3509014A successfully refreshed from Google Patents.
US3509014A
Expired / Lapsed
US
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Quasi-extruded felt
Assignee: MARINE MIDLAND BANK NA
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Filing: 1966-08-24
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Granted: 1970-04-28
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Expires: 1986-08-24
Abstract
No abstract record available.
Inventors
- 👤 Wendell H Stickney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:03
CPC Classifications
D; D04; D04H; D04H13/00; D04H1/00; D04H1/40; D04H1/42; D04H1/4374; D04H1/54; D04H1/70; D04H1/76; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2973; Y10T428/2978
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2500282A
Cited
US2688380A
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US2979433A
Cited
US3050768A
Cited
US3094736A
Cited
FR1444361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |