US3533725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wood fibers with polymer deposited therein
Assignee: Continental Group Inc
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Filing: 1969-06-26
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Granted: 1970-10-13
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Expires: 1989-06-26
Abstract
No abstract record available.
Inventors
- 👤 Douglas J Bridgeford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:30
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12; C08J7/16; C08F; C08F251/00; C08F251/02; C08F291/00; D; D06; D06M; D06M14/00; D06M14/02; D06M14/04; C08J2301/00; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/06; C08L33/00; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |