Patent US2270054A successfully refreshed from Google Patents.
US2270054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water seal for pumps
Assignee: Georgia Iron Works Co
•
Filing: 1939-10-13
•
Granted: 1942-01-13
•
Expires: 1959-10-13
Abstract
No abstract record available.
Inventors
- 👤 Hogan William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:25
CPC Classifications
F; F04; F04D; F04D7/00; F04D7/02; F04D7/04; F04D29/00; F04D29/08; F04D29/16; F04D29/165; F04D29/167
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) | 1945-01-12 | 1945-07-14 | 1946-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-01-12 | 1949-07-14 | 1950-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-01-12 | 1953-07-14 | 1954-01-13 | $7700.00 | Window Closed / Lapsed |