US3300356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for forming laminated, cylindrical wall structures
Assignee: Studebaker Corp
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Filing: 1965-08-16
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Granted: 1967-01-24
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Expires: 1985-08-16
Abstract
No abstract record available.
Inventors
- 👤 Elmer P Warnken
- 👤 Korelitz Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:28
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/581; B29C53/566
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A METHOD OF FORMING AN ANNULAR WALL WHICH COMPRISES FORMING A BODY OF ANNULARLY EXTENDING RESIN-IMPREGNATED LAMINATIONS ON A MANDREL, COMPRESSING SELECTED SECTIONS OF THE LAMINATIONS ALONG A HELICAL PATH EXTENDING CIRCUMFERENTIALLY OF AND ALONG THE LAMINATIONS, WRAPPING A CONTINUOUS BAND ON THE LAMINATIONS ALONG THE HELICAL PATH AS THE LAMINATIONS ARE COMPRESSED, THE BAND HAVING A PLURALITY OF CONVOLUTIONS, AND CURING THE RESIN WHILE HELD BY SAID BAND.
Claim 2
Independent Claim
69 words
A METHOD OF FORMING AN ANNULAR WALL WHICH COMPRISES FORMING A BODY OF ANNULARLY EXTENDING RESIN-IMPREGNATED LAMINATIONS ON A MANDREL, COMPRESSING SELECTED SECTIONS OF THE LAMINATIONS ALONG A HELICAL PATH EXTENDING CIRCUMFERENTIALLY OF AND ALONG THE LAMINATIONS, WRAPPING A CONTINUOUS BAND ON THE LAMINATIONS ALONG THE HELICAL PATH AS THE LAMINATIONS ARE COMPRESSED, THE BAND HAVING A PLURALITY OF CONVOLUTIONS, AND CURING THE RESIN WHILE HELD BY SAID BAND.
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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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |