US2806838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsaturated carbamato ethers and thioethers, polymers thereof, and methods of making them
Assignee: Rohm and Haas Co
•
Filing: 1955-07-15
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Granted: 1957-09-17
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Expires: 1975-07-15
Abstract
No abstract record available.
Inventors
- 👤 Melamed Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:49
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/20; C07D295/205; C08; C08F; C08F16/00; C08F16/12; C08F16/14; C08F16/28; C08F28/00; C10; C10M; C10M2215/00; C10M2215/08; C10M2215/082; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/28; C10M2215/30; C10M2217/00; C10M2217/02; C10M2217/024; C10M2217/028; C10M2217/06; C10M2219/00; C10M2219/08; C10M2219/082; C10M2221/00; C10M2221/02; C10N; C10N2040/00; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
AS A COMPOSITION OF MATTER, A COMPOUND OF FORMULA 1:
Claim 2
Dependent Claim
10 words
AS A COMPOSITION OF MATTER, A COMPOUND OF FORMULA 1:
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) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |