US3347274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular bodies, and methods and apparatus for making the same
Assignee: Stone Straw Corp
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Filing: 1964-02-17
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Granted: 1967-10-17
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Expires: 1984-02-17
Abstract
No abstract record available.
Inventors
- 👤 Samuel M Mills
- 👤 Husar Karel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:39
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A COIL FORM COMPRISING A TUBE OF INSULATING MATERIAL HAVING AN INNER WALL DEFINED BY AN ADHESIVELY BONDED WOUND STRIP HAVING A HELICAL JOINT AND A STRIPE OF PLASTIC MATERIAL OF LESS WIDTH THAN THE CIRCUMFERENCE OF SAID TUBE ADHESIVELY ATTACHED TO SAID WALL THROUGHOUT THE LENGTH OF AND STRIPE SIMULTANEOUSLY WITH THE WINDING OF SAID TUBE AND INTERSECTING SAID JOINT.
Claim 2
Dependent Claim
61 words
A COIL FORM COMPRISING A TUBE OF INSULATING MATERIAL HAVING AN INNER WALL DEFINED BY AN ADHESIVELY BONDED WOUND STRIP HAVING A HELICAL JOINT AND A STRIPE OF PLASTIC MATERIAL OF LESS WIDTH THAN THE CIRCUMFERENCE OF SAID TUBE ADHESIVELY ATTACHED TO SAID WALL THROUGHOUT THE LENGTH OF AND STRIPE SIMULTANEOUSLY WITH THE WINDING OF SAID TUBE AND INTERSECTING SAID JOINT.
References Cited (Backward Citations)
US675447A
Cited
US2131987A
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US2584723A
Cited
US2838738A
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US3037529A
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US3105948A
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US3267968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |