US3404103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of decomposing urethane polymer
Assignee: Bridgestone Corp
•
Filing: 1966-06-01
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Granted: 1968-10-01
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Expires: 1986-06-01
Abstract
No abstract record available.
Inventors
- 👤 Matsudaira Nobutaka
- 👤 Muto Sakae
- 👤 Kubota Yoshitake
- 👤 Yoshimoto Toshio
- 👤 Sato Shigetake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:49
CPC Classifications
C; C08; C08J; C08J11/00; C08J11/04; C08J11/10; C08J11/18; C08J11/28; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08J2375/00; C08J2375/04; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/62; Y10; Y10S; Y10S521/00; Y10S521/918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE861926C
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US2741800A
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US3117940A
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GB1037066A
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US3300417A
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US3171820A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |