US2621605A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: Clayton Mark and Co
•
Filing: 1945-10-12
•
Granted: 1952-12-16
•
Expires: 1965-10-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Clayton Mark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:10
CPC Classifications
F; F04; F04C; F04C5/00; F04C2/00; F04C2/08; F04C2/10; F04C2/107; F04C2/1071; F04C2/1073; F04C2/1075; Y; Y10; Y10S; Y10S415/00; Y10S415/901
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1874667A
Cited
US2028407A
Cited
US2015123A
Cited
GB443134A
Cited
GB484479A
Cited
US2258371A
Cited
US2293268A
Cited
US2336580A
Cited
US2409688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |