US3475198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for applying a binder material to a prearranged web of unbound,non-woven fibers by electrostatic attraction
Assignee: Ransburg Corp
•
Filing: 1965-04-07
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Granted: 1969-10-28
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Expires: 1985-04-07
Abstract
No abstract record available.
Inventors
- 👤 Edward W Drum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:25
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/0007; D01D5/0061; D01D5/0069; B; B05; B05B; B05B5/00; B05B5/025; B05B5/04; B05B5/0403; B05B5/0407; B05B5/08; D01D5/18; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/64; D04H1/655
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1160980A
Cited
US1978034A
Cited
US2595342A
Cited
US3014812A
Cited
US3130066A
Cited
US3251551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |