Patent US3171870A successfully refreshed from Google Patents.
US3171870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymer processing
Assignee: North American Aviation Corp
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Filing: 1960-07-01
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Granted: 1965-03-02
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Expires: 1980-07-01
Abstract
No abstract record available.
Inventors
- 👤 Vernon H Monteil
- 👤 Misko George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:46
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/24; C08J3/247; B; B29; B29C; B29C39/00; C06; C06B; C06B21/00; C06B21/0008; C06B21/0025; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; C08G59/00; C08G59/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A PROCESS FOR THE PREPARATION OF AN ARTICLE WHICH IS COMPRISED OF POLYMERIC SUBSTANCES COMPRISING PROVIDING A LIQUID POLYMERIC MATERIAL CAPABLE OF FORMING A COHESIVE SUBSTANCE UPON CURING, SOLIDIFYING SAID MATERIAL IN A CUREINHIBITING FROZEN STATE, SUBJECTING AN INCREMENT OF SAID SOLIDIFIED MATERIAL TO CURING CONDITIONS AND CONCURRENTLY MAINTAINING AND ADJACENT INCREMENT OF SAID SOLIDIFIED MATERIAL IN A CURE-INHIBITING STATE.
Claim 2
Dependent Claim
60 words
A PROCESS FOR THE PREPARATION OF AN ARTICLE WHICH IS COMPRISED OF POLYMERIC SUBSTANCES COMPRISING PROVIDING A LIQUID POLYMERIC MATERIAL CAPABLE OF FORMING A COHESIVE SUBSTANCE UPON CURING, SOLIDIFYING SAID MATERIAL IN A CUREINHIBITING FROZEN STATE, SUBJECTING AN INCREMENT OF SAID SOLIDIFIED MATERIAL TO CURING CONDITIONS AND CONCURRENTLY MAINTAINING AND ADJACENT INCREMENT OF SAID SOLIDIFIED MATERIAL IN A CURE-INHIBITING STATE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |