US2753766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positive pressure machine for forming continuous strips of fibrous materials
Assignee: Forming Machine Co of America Inc
•
Filing: 1951-12-29
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Granted: 1956-07-10
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Expires: 1971-12-29
Abstract
No abstract record available.
Inventors
- 👤 Alvan D Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:08
CPC Classifications
D; D21; D21F; D21F9/00; B; B28; B28B; B28B1/00; B28B1/52; B28B1/526; B28B1/527; B29; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/50; B29C70/504; B29C70/508; D21F1/00; D21F9/02; D21F9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US523113A
Cited
USRE21201E
Cited
US1870971A
Cited
US2441169A
Cited
US2535732A
Cited
US2581210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-10 | 1960-01-09 | 1960-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-10 | 1964-01-09 | 1964-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-10 | 1968-01-09 | 1968-07-10 | $7700.00 | Window Closed / Lapsed |