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Patent US3051998A successfully refreshed from Google Patents.
US3051998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for forming webs from fibers
Assignee: Crompton and Knowles Corp
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Filing: 1960-06-27
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Granted: 1962-09-04
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Expires: 1980-06-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Edgar C Rust
- 👤 Richard W Munroe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:57
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/70; D04H1/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US188164A
Cited
US2451915A
Cited
US2676363A
Cited
US2676364A
Cited
US2726423A
Cited
US2876500A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |