Patent US1619956A successfully refreshed from Google Patents.
US1619956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cut-off
Assignee: Individual
•
Filing: 1926-03-23
•
Granted: 1927-03-08
•
Expires: 1946-03-23
Abstract
No abstract record available.
Inventors
- 👤 Renehan Claude Rivers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:22
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/04; F16K3/06; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86292
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) | 1930-03-07 | 1930-09-06 | 1931-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-03-07 | 1934-09-06 | 1935-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-03-07 | 1938-09-06 | 1939-03-08 | $7700.00 | Window Closed / Lapsed |