Patent US2805277A successfully refreshed from Google Patents.
Patent US960912A successfully refreshed from Google Patents.
US960912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston-valve.
Assignee: HEANY LAMP Co
•
Filing: 1909-04-16
•
Granted: 1910-06-07
•
Expires: 1929-04-16
Abstract
No abstract record available.
Inventors
- 👤 John Allen Heany
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:26
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/18; F16K17/19; F16K17/194; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4621
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) | 1913-06-06 | 1913-12-06 | 1914-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-06-06 | 1917-12-06 | 1918-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-06-06 | 1921-12-06 | 1922-06-07 | $7700.00 | Window Closed / Lapsed |