US2956733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid turning wheels for compressors
Assignee: Stalker Corp
•
Filing: 1954-09-28
•
Granted: 1960-10-18
•
Expires: 1974-09-28
Abstract
No abstract record available.
Inventors
- 👤 Edward A Stalker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:44
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/26; F04D29/32; F04D29/321; F04D29/324
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB190627409A
Cited
US940802A
Cited
US1165005A
Cited
US1152812A
Cited
US1470499A
Cited
GB348032A
Cited
US2378372A
Cited
US2350310A
Cited
DE853988C
Cited
US2648492A
Cited
US2510734A
Cited
US2604298A
Cited
US2675174A
Cited
DE872816C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |