US2667910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for creping paper
Assignee: Individual
•
Filing: 1949-12-22
•
Granted: 1954-02-02
•
Expires: 1969-12-22
Abstract
No abstract record available.
Inventors
- 👤 Grettve Karl Einar Lage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:06
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/12; B31F1/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA467307A
Cited
US1643147A
Cited
US1679996A
Cited
US2021975A
Cited
GB376040A
Cited
GB418432A
Cited
CH179746A
Cited
US2245014A
Cited
US2294957A
Cited
US2409066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |