US2685802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable drive mechanism
Assignee: Wood Newspaper Machinery Corp
•
Filing: 1950-06-27
•
Granted: 1954-08-10
•
Expires: 1970-06-27
Abstract
No abstract record available.
Inventors
- 👤 Charles L Ricards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:20
CPC Classifications
B; B41; B41F; B41F13/00; B41F13/54; Y; Y10; Y10S; Y10S474/00; Y10S474/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |