US3169298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing life saving apparel
Assignee: Individual
•
Filing: 1961-02-01
•
Granted: 1965-02-16
•
Expires: 1981-02-01
Abstract
No abstract record available.
Inventors
- 👤 Tachibana Jiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:23
CPC Classifications
A; A41; A41D; A41D13/00; A41D13/012; A41D13/0125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A METHOD OF PRODUCING A TEXTILE FABRIC SUITABLE FOR USE IN MAKING LIFE SAAVING ARTICLES COMPRISING THE STEPS OF DEPOSITING ON RAW KAPOK FIBER AN AQUEOUS SILICONE RESIN SOLUTION IN AN AMOUNT ABOUT EQUAL TO THE WEIGHT OF THE KAPOK; DRYING SAID TREATED KAPOK; CURING SAID DRIED AND TREATED KAPOK AT A HIGH TEMPERATURE FOR A VERY SHORT PERIOD OF TIME; SEPARATELY DEPOSITING ON RAYON STAPLE FIBER A WATERPROOF AND OIL-PROOF RESIN OF AN AMOUNT EQUAL IN WEIGHT TO SOMEWHAT MORE THAN THE WEIGHT OF THE STAPLE FIBER; MIXING SAID TREATED KAPOK AND RAYON STAPLE IN WEIGHT PROPORTIONS OF THE ORDER OF 70% KAPOK TO 30% STAPLE; FORMING SILVERS OF SAID MIXTURE; AND, KNITTING SAID SILVERS AS WOOF YARN WITH NON-TREATED WARP YARN TO FROM A KNITTED FABRIC.
Claim 2
Independent Claim
128 words
A METHOD OF PRODUCING A TEXTILE FABRIC SUITABLE FOR USE IN MAKING LIFE SAAVING ARTICLES COMPRISING THE STEPS OF DEPOSITING ON RAW KAPOK FIBER AN AQUEOUS SILICONE RESIN SOLUTION IN AN AMOUNT ABOUT EQUAL TO THE WEIGHT OF THE KAPOK; DRYING SAID TREATED KAPOK; CURING SAID DRIED AND TREATED KAPOK AT A HIGH TEMPERATURE FOR A VERY SHORT PERIOD OF TIME; SEPARATELY DEPOSITING ON RAYON STAPLE FIBER A WATERPROOF AND OIL-PROOF RESIN OF AN AMOUNT EQUAL IN WEIGHT TO SOMEWHAT MORE THAN THE WEIGHT OF THE STAPLE FIBER; MIXING SAID TREATED KAPOK AND RAYON STAPLE IN WEIGHT PROPORTIONS OF THE ORDER OF 70% KAPOK TO 30% STAPLE; FORMING SILVERS OF SAID MIXTURE; AND, KNITTING SAID SILVERS AS WOOF YARN WITH NON-TREATED WARP YARN TO FROM A KNITTED FABRIC.
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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) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |