US868022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety-valve for water-jackets.
Assignee: Individual
•
Filing: 1907-03-13
•
Granted: 1907-10-15
•
Expires: 1927-03-13
Abstract
No abstract record available.
Inventors
- 👤 Oren H Shafer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:56
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/04; F16K3/06; F16K3/08; Y; Y10; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7613; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/794; Y10T137/8122
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) | 1910-10-14 | 1911-04-15 | 1911-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-10-14 | 1915-04-15 | 1915-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-10-14 | 1919-04-15 | 1919-10-15 | $7700.00 | Window Closed / Lapsed |