Patent US1720353A successfully refreshed from Google Patents.
US1720353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tappet
Assignee: Individual
•
Filing: 1927-12-12
•
Granted: 1929-07-09
•
Expires: 1947-12-12
Abstract
No abstract record available.
Inventors
- 👤 Schneider George
- 👤 Frederick A Welsmiller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:57
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/12; F01L1/14; Y; Y10; Y10S; Y10S148/00; Y10S148/902; Y10S164/00; Y10S164/13; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49298; Y10T29/49304
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1932-07-08 | 1933-01-07 | 1933-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-07-08 | 1937-01-07 | 1937-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-07-08 | 1941-01-07 | 1941-07-09 | $7700.00 | Window Closed / Lapsed |