US1230140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Puppet-valve.
Assignee: PFANSTIEHL COMPANY Inc
•
Filing: 1917-03-10
•
Granted: 1917-06-19
•
Expires: 1937-03-10
Abstract
No abstract record available.
Inventors
- 👤 Robert L Ellery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:42
CPC Classifications
F; F01; F01L; F01L3/00; F01L3/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49298; Y10T29/49314
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) | 1920-06-18 | 1920-12-18 | 1921-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-06-18 | 1924-12-18 | 1925-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-06-18 | 1928-12-18 | 1929-06-19 | $7700.00 | Window Closed / Lapsed |