US1307656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
David s
Assignee: —
•
Filing: —
•
Granted: 1919-06-24
•
Expires: 1936-06-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:27
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/06; Y; Y10; Y10S; Y10S261/00; Y10S261/03; Y10S261/34
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) | 1922-06-23 | 1922-12-23 | 1923-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-06-23 | 1926-12-23 | 1927-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-06-23 | 1930-12-23 | 1931-06-24 | $7700.00 | Window Closed / Lapsed |