US3034450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand operated diaphragm pump
Assignee: Tokheim Corp
•
Filing: 1956-05-09
•
Granted: 1962-05-15
•
Expires: 1976-05-09
Abstract
No abstract record available.
Inventors
- 👤 Christian W Kruckeberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:15
CPC Classifications
F; F04; F04B; F04B53/00; F04B43/00; F04B43/02; F04B43/023; F04B53/10; F04B53/1037; F04B53/1047; F04B53/105; F04B9/00; F04B9/14; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7843; Y10T292/00; Y10T292/20
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |