US2718362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web-winding machine
Assignee: Celanese Corp
•
Filing: 1950-08-17
•
Granted: 1955-09-20
•
Expires: 1970-08-17
Abstract
No abstract record available.
Inventors
- 👤 Rene P Piperoux
- 👤 John N Birmingham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:41
CPC Classifications
B; B65; B65H; B65H20/00; B65H20/30; B65H20/32; B65H20/34; B65H19/00; B65H19/22; B65H19/2207; B65H19/2215; B65H19/24; B65H23/00; B65H23/04; B65H23/18; B65H23/195; B65H23/1955; B65H2408/00; B65H2408/20; B65H2408/23; B65H2408/231; B65H2408/2315; B65H2408/23152; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8776; Y10T83/8782
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US303472A
Cited
US866277A
Cited
US883795A
Cited
US1000631A
Cited
US1046783A
Cited
US1343910A
Cited
US1446404A
Cited
US1609093A
Cited
US1750487A
Cited
US1706164A
Cited
US1966525A
Cited
US1973363A
Cited
US1838011A
Cited
US2032176A
Cited
US1976641A
Cited
US2272940A
Cited
US2403147A
Cited
US2357976A
Cited
US2509250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-19 | 1959-03-21 | 1959-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-19 | 1963-03-21 | 1963-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-19 | 1967-03-21 | 1967-09-20 | $7700.00 | Window Closed / Lapsed |