US3183142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced resinous structural material
Assignee: 3M Co
•
Filing: 1962-04-09
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Granted: 1965-05-11
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Expires: 1982-04-09
Abstract
No abstract record available.
Inventors
- 👤 Hubert J Tierney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:22
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/20; B29C70/202; B29C70/08; B29C70/083; B32; B32B; B32B27/00; B29K; B29K2105/00; B29K2105/06; B29K2105/08; B29K2105/0854; B29K2105/10; B29K2105/101; B29K2105/108; B29K2267/00; B29K2309/00; B29K2309/08; B29L; B29L2007/00; B29L2007/007; Y; Y10; Y10S; Y10S428/00; Y10S428/906; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24074; Y10T428/24091; Y10T428/24116; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/28; Y10T442/00; Y10T442/60; Y10T442/674
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
THIN, STRONG, CONFORMABLE, SPLICE-FREE, FILAMENT-REINFORCED RESINOUS TAPE ABOUT 3/8-3 INCHESIN WIDTH AND AT LEAST 100 FEET IN LENGTH COMPRISING AT LEAST TWO COTERMINOUS LAYERS, EACH OF WHICH CONSISTS OF FLEXIBLE, HIGHSTRENGTH, NON-WOVEN, ALIGNED, ESSENTIALLY CONTIGUOUS GLASS FILAMENTS WHICH ARE UNIFORMLY DISTRIBUTED WITHIN THE LAYER AND ARE SATURATED AND UNIFIED BY A DEFORMABLE UNCURED THERMOSETTING RESIN COMPOSITION WHICH WHEN CURED HAS A MODULUS IN TENSION OF AT LEAST 50,000 P.S.I., EACH OF SAID LAYERS HAVING A THICKNESS OF 4 TO 20 MILS, SAID FILAMENTS EXTENDING OBLIQUELY AND OPPOSITELY AND ESSENTIALLY AT ONLY TWO ANGLES, EACH OF SAID ANGLES BEING 30 TO 60 DEGREES TO THE LONGITUDINAL DIRECTION OF THE TAPE,
Claim 2
Dependent Claim
109 words
THIN, STRONG, CONFORMABLE, SPLICE-FREE, FILAMENT-REINFORCED RESINOUS TAPE ABOUT 3/8-3 INCHESIN WIDTH AND AT LEAST 100 FEET IN LENGTH COMPRISING AT LEAST TWO COTERMINOUS LAYERS, EACH OF WHICH CONSISTS OF FLEXIBLE, HIGHSTRENGTH, NON-WOVEN, ALIGNED, ESSENTIALLY CONTIGUOUS GLASS FILAMENTS WHICH ARE UNIFORMLY DISTRIBUTED WITHIN THE LAYER AND ARE SATURATED AND UNIFIED BY A DEFORMABLE UNCURED THERMOSETTING RESIN COMPOSITION WHICH WHEN CURED HAS A MODULUS IN TENSION OF AT LEAST 50,000 P.S.I., EACH OF SAID LAYERS HAVING A THICKNESS OF 4 TO 20 MILS, SAID FILAMENTS EXTENDING OBLIQUELY AND OPPOSITELY AND ESSENTIALLY AT ONLY TWO ANGLES, EACH OF SAID ANGLES BEING 30 TO 60 DEGREES TO THE LONGITUDINAL DIRECTION OF THE TAPE,
References Cited (Backward Citations)
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Cited
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Cited
US2534617A
Cited
US2609320A
Cited
US2705692A
Cited
US2746696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |