US3463662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyurethane-polysiloxane graft copolymers
Assignee: Trane US Inc
•
Filing: 1967-04-19
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Granted: 1969-08-26
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Expires: 1987-04-19
Abstract
No abstract record available.
Inventors
- 👤 William Hodes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:33
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12; C08J7/16; C08J2375/00; C08J2375/04; C08J2375/06; Y; Y10; Y10S; Y10S264/00; Y10S264/26; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31598; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA481215A
Cited
US2306222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |