Patent US3549472A successfully refreshed from Google Patents.
US3549472A
Expired / Lapsed
US
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Cork and foam product
Assignee: Cushioned Products Corp
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Filing: 1968-11-22
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Granted: 1970-12-22
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Expires: 1988-11-22
Abstract
No abstract record available.
Inventors
- 👤 Robert E King
- 👤 Ben V Dardig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:23
CPC Classifications
C; C08; C08L; C08L75/00; C08L75/04; C08J; C08J9/00; C08J9/33; C08L97/00; C08L97/007; C08J2205/00; C08J2205/04; C08J2205/05; C08J2205/06; C08J2327/00; C08J2327/02; C08J2327/04; C08J2327/06; C08J2375/00; C08J2375/04; C08J2397/00; C08J2397/02; C08J2475/00; C08J2475/04; Y; Y10; Y10S; Y10S264/00; Y10S264/17; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249986; Y10T442/00; Y10T442/30; Y10T442/3325; Y10T442/3366; Y10T442/3374
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2365508A
Cited
US2892216A
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US3114722A
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US3300421A
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US3401128A
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GB1092987A
Cited
FR1495301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |