US1944504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Side plate for centrifugal pumps
Assignee: AR Wilfley and Sons Inc
•
Filing: 1932-05-16
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Granted: 1934-01-23
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Expires: 1952-05-16
Abstract
No abstract record available.
Inventors
- 👤 William E Geer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:29
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
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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) | 1937-01-22 | 1937-07-24 | 1938-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-01-22 | 1941-07-24 | 1942-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-01-22 | 1945-07-24 | 1946-01-23 | $7700.00 | Window Closed / Lapsed |