Patent US5792230A successfully refreshed from Google Patents.
Patent US1630422A successfully refreshed from Google Patents.
Patent US1858244A successfully refreshed from Google Patents.
Patent US2385777A successfully refreshed from Google Patents.
Patent US2026306A successfully refreshed from Google Patents.
US2026306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: HOWARD L WOODS
•
Filing: 1934-11-22
•
Granted: 1935-12-31
•
Expires: 1954-11-22
Abstract
No abstract record available.
Inventors
- 👤 Wallace C Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:32
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/12; F04C2/14; F04C2/16
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) | 1938-12-30 | 1939-07-01 | 1939-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-12-30 | 1943-07-01 | 1943-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-12-30 | 1947-07-01 | 1947-12-31 | $7700.00 | Window Closed / Lapsed |