US3035310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making reinforced synthetic resin forming tool
Assignee: Republic Aviation Corp
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Filing: 1956-01-23
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Granted: 1962-05-22
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Expires: 1976-01-23
Abstract
No abstract record available.
Inventors
- 👤 Sokol Benjamin
- 👤 Lawrence R Sparrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:50
CPC Classifications
B; B21; B21D; B21D37/00; B21D37/20; B29; B29C; B29C33/00; B29C33/38; B29C33/40; B29C33/56; B29C33/565; B29C70/00; B29C70/02; B29C70/021; B29C70/025; B29C70/04; B29C70/28; B29C70/30; B29C70/36; B29K; B29K2063/00; B29K2081/00; B29K2081/04; B29K2105/00; B29K2105/06; B29K2105/08; B29K2105/0809; B29K2105/0845; B29K2105/0854; B29K2105/20; B29K2105/206; B29K2863/00; B29L; B29L2031/00; B29L2031/757; Y; Y10; Y10S; Y10S425/00; Y10S425/029; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/1031
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
THE METHOD OF MAKING A FORMING TOOL ON A MASTER PATTERN HAVING A CONTOURED SURFACE, CONSISTING OF SURROUNDING THE CONTOURED SURFACE OF THE MASTER PATTERN WITH A FLASK, APPLYING A PARTING FILM TO THE CONTOURED SURFACE OF THE MASTER PATTERN AND THE INNER SURFACES OF THE FLASK, POSITIONING A LAYER OF FABRIC ON THE CONTOURED SURFACE OF THE MASTER PATTERN, DRY-LOADING THE FLASK WITH COARSE PARTICLES OVER AND IN CONTACT WITH THE FABRIC, PREPARING A SYNTHETIC RESIN COMPOSITION CONSISTING OF 100 PARTS BY WEIGHT EPOXY RESIN, 30 PARTS BY WEIGHT POLY-
Claim 2
Independent Claim
91 words
THE METHOD OF MAKING A FORMING TOOL ON A MASTER PATTERN HAVING A CONTOURED SURFACE, CONSISTING OF SURROUNDING THE CONTOURED SURFACE OF THE MASTER PATTERN WITH A FLASK, APPLYING A PARTING FILM TO THE CONTOURED SURFACE OF THE MASTER PATTERN AND THE INNER SURFACES OF THE FLASK, POSITIONING A LAYER OF FABRIC ON THE CONTOURED SURFACE OF THE MASTER PATTERN, DRY-LOADING THE FLASK WITH COARSE PARTICLES OVER AND IN CONTACT WITH THE FABRIC, PREPARING A SYNTHETIC RESIN COMPOSITION CONSISTING OF 100 PARTS BY WEIGHT EPOXY RESIN, 30 PARTS BY WEIGHT POLY-
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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) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |