US3493455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous web reinforcing machine
Assignee: Cromwell Paper Co
•
Filing: 1966-03-07
•
Granted: 1970-02-03
•
Expires: 1986-03-07
Abstract
No abstract record available.
Inventors
- 👤 John M Lebolt
- 👤 Richard O Rupp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:59
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/68; B29C70/685; B29C70/687; D; D21; D21F; D21F11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1338164A
Cited
US1362066A
Cited
US1951301A
Cited
US2614054A
Cited
US2772718A
Cited
US3284268A
Cited
US3360410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |