Patent US3001900A successfully refreshed from Google Patents.
US3001900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated plastic article
Assignee: FRIEDER
•
Filing: 1954-05-19
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Granted: 1961-09-26
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Expires: 1974-05-19
Abstract
No abstract record available.
Inventors
- 👤 Leonard P Frieder
- 👤 Walter S Finken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:34
CPC Classifications
F; F41; F41H; F41H5/00; F41H5/02; F41H5/04; F41H5/0471; F41H5/0485; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/08; B29C70/086; B29C70/10; B32; B32B; B32B27/00; B29K; B29K2309/00; B29K2309/08; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24802; Y10T428/24826
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A LAMINATED PLASTIC ARTICLE INCLUDING IN COMBINATION A PAIR OF FIBROUS LAYERS IMPREGNATED WITH A SYNTHETIC RESIN, A THIN SMOOTH FILM OF MATERIAL NONADHERENT WITH RESPECT TO SAID LAYERS AND IMPERVIOUS TO SAID RESIN IN ITS UMCURED STATE SEPARATING SAID LAYERS, THE SURFACES OF SAID FILM BEING FREE WITH RESPECT TO SAID LAYERS TO PERMIT RELATIVE MOVEMENT BETWEEN THE LAYERS, SAID THIN FILM BEING PROVIDED WITH PERFORATIONS SPACED OVER ITS SURFACE AND BONDS OF SYNTHETIC RESIN PASSING THROUGH SAID PERFORATIONS FOR SECURING SAID LAYERS TO EACH OTHER TO PERMIT THEM TO DEFLECT DIFFERENTIALLY WITH RESPECT TO EACH OTHER UNDER THE IMPACT OF A MISSILE.
Claim 2
Dependent Claim
104 words
A LAMINATED PLASTIC ARTICLE INCLUDING IN COMBINATION A PAIR OF FIBROUS LAYERS IMPREGNATED WITH A SYNTHETIC RESIN, A THIN SMOOTH FILM OF MATERIAL NONADHERENT WITH RESPECT TO SAID LAYERS AND IMPERVIOUS TO SAID RESIN IN ITS UMCURED STATE SEPARATING SAID LAYERS, THE SURFACES OF SAID FILM BEING FREE WITH RESPECT TO SAID LAYERS TO PERMIT RELATIVE MOVEMENT BETWEEN THE LAYERS, SAID THIN FILM BEING PROVIDED WITH PERFORATIONS SPACED OVER ITS SURFACE AND BONDS OF SYNTHETIC RESIN PASSING THROUGH SAID PERFORATIONS FOR SECURING SAID LAYERS TO EACH OTHER TO PERMIT THEM TO DEFLECT DIFFERENTIALLY WITH RESPECT TO EACH OTHER UNDER THE IMPACT OF A MISSILE.
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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) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |