Patent US2999764A successfully refreshed from Google Patents.
US2999764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for surfacing presoftened polyamide with an in situ curable elastomer
Assignee: Individual
•
Filing: 1957-06-19
•
Granted: 1961-09-12
•
Expires: 1977-06-19
Abstract
No abstract record available.
Inventors
- 👤 Rhoads Joseph Edgar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:05
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/02; C08J7/04; C08J7/0427; C08J7/043; C08J7/046; C09; C09D; C09D175/00; C09D175/04; F; F16; F16G; F16G1/00; F16G1/14; C08J2377/00; C08J2475/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31562; Y10T428/31725
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
43 words
THE PROCESS COMPRISING THE STEPS OF SOFTENING THE SURFACE OF A SYNTHETIC POLYAMIDE BASE WITH A SOLVENT SOFTENING AGENT FOR THE POLYAMIDE, APPLYING LIQUID URETHANE ELASTOMER COMPOSITION TO THE SOFTENED SURFACE OF THE POLYAMIDE, AND SUBSEQUENTLY CURING THE URETHANE ELASTOMER COMPOSITION IN SITU.
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) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |