Patent US2510600A successfully refreshed from Google Patents.
US2510600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ether-carbonates and polymers
Assignee: Wingfoot Corp
•
Filing: 1946-06-15
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Granted: 1950-06-06
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Expires: 1966-06-15
Abstract
No abstract record available.
Inventors
- 👤 Henry A Pace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:37
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/96; C07C68/00; C07C68/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
AN ETHER-CARBONATE HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
6 words
AN ETHER-CARBONATE HAVING THE GENERAL FORMULA
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) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |