US2451915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine and method for forming fiber webs
Assignee: GEORGE F BURESH
•
Filing: 1946-05-01
•
Granted: 1948-10-19
•
Expires: 1966-05-01
Abstract
No abstract record available.
Inventors
- 👤 Francis M Buresh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:37
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/70; D04H1/72
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US58711A
Cited
US810898A
Cited
US1165088A
Cited
GB191500916A
Cited
US1705433A
Cited
US2146698A
Cited
US2237358A
Cited
US2361310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-19 | 1952-04-19 | 1952-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-19 | 1956-04-19 | 1956-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-19 | 1960-04-19 | 1960-10-19 | $7700.00 | Window Closed / Lapsed |