US3029159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bobbin and method of treating
Assignee: Draper Corp
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Filing: 1960-01-08
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Granted: 1962-04-10
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Expires: 1980-01-08
Abstract
No abstract record available.
Inventors
- 👤 Bliven Roger
- 👤 Jr Frank L Allen
- 👤 Joseph A Budash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:29
CPC Classifications
C; C09; C09D; C09D167/00; C09D167/06; B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H2701/00; B65H2701/30; B65H2701/31; Y; Y10; Y10T; Y10T428/00; Y10T428/4935; Y10T428/662
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A METHOD OF TRATING WOODEN TEXTILE BOBBINS WHICH COMPRISE (1) DRYING THE WOOD OF SAID BOBBINS TO A POINT WHERE THEIR MOISTURE CONTENT IS LESS THAN ABOUT 1% BY WEIGHT, (2) SUBJECTING SAID BOBBINS TO A VACUUM AND THEN COMPLETELY COVERING SAID BOBBINS WITH AN UNSATURATED POLYESTER MODIFIED WITH A REACTIVE MONOMER HAVING VINYL UNSATURATON, (3) IMPREGNATING SAID BOBBINS AT ATMOSPHERICAL PRESSUR, (4) DRAINING EXCESS IMPREGNANT FROM SAID BOBBINS, AND (5) CURING SAID IMPREGNANT IN SITU BY BAKING THE IMPREGNATED BOBBINS WHILE TUMBLING THEM AT TEMPERATURES OF FROM ABOUT 150*F. INCREASING TO ABOUT 250*F. AT COMPLETION, THE DIMENSIONS OF SAID BOBBINS BEING SUBSTANTIALLY UNCHANGED BY SAID IMPREGNATION.
Claim 2
Independent Claim
107 words
A METHOD OF TRATING WOODEN TEXTILE BOBBINS WHICH COMPRISE (1) DRYING THE WOOD OF SAID BOBBINS TO A POINT WHERE THEIR MOISTURE CONTENT IS LESS THAN ABOUT 1% BY WEIGHT, (2) SUBJECTING SAID BOBBINS TO A VACUUM AND THEN COMPLETELY COVERING SAID BOBBINS WITH AN UNSATURATED POLYESTER MODIFIED WITH A REACTIVE MONOMER HAVING VINYL UNSATURATON, (3) IMPREGNATING SAID BOBBINS AT ATMOSPHERICAL PRESSUR, (4) DRAINING EXCESS IMPREGNANT FROM SAID BOBBINS, AND (5) CURING SAID IMPREGNANT IN SITU BY BAKING THE IMPREGNATED BOBBINS WHILE TUMBLING THEM AT TEMPERATURES OF FROM ABOUT 150*F. INCREASING TO ABOUT 250*F. AT COMPLETION, THE DIMENSIONS OF SAID BOBBINS BEING SUBSTANTIALLY UNCHANGED BY SAID IMPREGNATION.
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) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |