US2929806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydronopyl acrylate, polymeric derivatives thereof, and method for producing the same
Assignee: Individual
•
Filing: 1957-08-01
•
Granted: 1960-03-22
•
Expires: 1977-08-01
Abstract
No abstract record available.
Inventors
- 👤 Carl S Marvel
- 👤 Schwen Roland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:32
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/12; C08F20/16; C08F20/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
2 words
HYDRONOPYL ACRYLATE
Claim 2
Dependent Claim
2 words
HYDRONOPYL ACRYLATE
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) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |