Patent US3376609A successfully refreshed from Google Patents.
US3376609A
Expired / Lapsed
US
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Method for spreading tows of continuous filaments into sheets
Assignee: Johnson and Johnson
•
Filing: 1965-07-16
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Granted: 1968-04-09
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Expires: 1985-07-16
Abstract
No abstract record available.
Inventors
- 👤 Kalwaites Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:03
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/18; D04; D04H; D04H3/00; D04H3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1153004A
Cited
US2133535A
Cited
US2724955A
Cited
GB709612A
Cited
US3074775A
Cited
US3230747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |