Patent US317408A successfully refreshed from Google Patents.
US317408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for preventing leakage of gas from mains
Assignee: —
•
Filing: —
•
Granted: 1885-05-05
•
Expires: 1902-05-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:40
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/16; F16L23/165; E; E03; E03D; E03D11/00; E03D11/13; E03D11/16
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) | 1888-05-04 | 1888-11-03 | 1889-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1892-05-04 | 1892-11-03 | 1893-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1896-05-04 | 1896-11-03 | 1897-05-05 | $7700.00 | Window Closed / Lapsed |