Patent US1670308A successfully refreshed from Google Patents.
US1670308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Irrigation meter
Assignee: Neptune Meter Co
•
Filing: 1927-06-18
•
Granted: 1928-05-22
•
Expires: 1947-06-18
Abstract
No abstract record available.
Inventors
- 👤 William L Marden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:17
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/06; D; D01; D01H; D01H7/00; D01H7/02; D01H7/04; D01H7/045; D01H7/047
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) | 1931-05-22 | 1931-11-21 | 1932-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-05-22 | 1935-11-21 | 1936-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-05-22 | 1939-11-21 | 1940-05-22 | $7700.00 | Window Closed / Lapsed |