US1343487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable automatic control mechanism
Assignee: Individual
•
Filing: 1918-12-06
•
Granted: 1920-06-15
•
Expires: 1938-12-06
Abstract
No abstract record available.
Inventors
- 👤 Jr George W Swift
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:19
CPC Classifications
B; B65; B65H; B65H20/00; B65H20/02; B65H20/04; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4653; Y10T83/4685; Y10T83/4688; Y10T83/4766; Y10T83/4795; Y10T83/4824
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) | 1923-06-15 | 1923-12-15 | 1924-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-06-15 | 1927-12-15 | 1928-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-06-15 | 1931-12-15 | 1932-06-15 | $7700.00 | Window Closed / Lapsed |