US1504218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and machine for making cross-corrugated paperboard
Assignee: Individual
•
Filing: 1923-06-05
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Granted: 1924-08-12
•
Expires: 1943-06-05
Abstract
No abstract record available.
Inventors
- 👤 Charles H Crowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:20
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B31F1/2845; B31F1/285; B31F1/2813; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1016; Y10T156/102; Y10T156/1052; Y10T156/1062; Y10T156/1075; Y10T156/1079; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1727; Y10T156/1732
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1927-08-12 | 1928-02-11 | 1928-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-08-12 | 1932-02-11 | 1932-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-08-12 | 1936-02-11 | 1936-08-12 | $7700.00 | Window Closed / Lapsed |