US3850855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photolytic polyisobutylene oxide resin molded products of vanishing type
Assignee: Daicel Corp
•
Filing: 1973-03-09
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Granted: 1974-11-26
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Expires: 1993-03-09
Abstract
No abstract record available.
Inventors
- 👤 H Toba
- 👤 S Watanabe
- 👤 N Tsukane
- 👤 K Tanaka
- 👤 M Kusumoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:05
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0033; C08L; C08L31/00; C08L31/02; Y; Y10; Y10S; Y10S260/00; Y10S260/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-25 | 1978-05-27 | 1978-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-25 | 1982-05-27 | 1982-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-25 | 1986-05-27 | 1986-11-26 | $7700.00 | Window Closed / Lapsed |