US3254845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid power transfer apparatus
Assignee: Panther Pumps & Equipment Comp
•
Filing: 1964-12-11
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Granted: 1966-06-07
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Expires: 1984-12-11
Abstract
No abstract record available.
Inventors
- 👤 Paul W Schlosser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:01
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/02; F04B43/06; F04B43/067; H; H01; H01J; H01J19/00; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0019; H01J2893/0022; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7927; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A FLUID POWER TRANSFER APPARATUS INCLUDING A HOUSING DEFINING CHAMBER, A DRIVING FLUID IN SAID CHAMBER, SAID FLUID HAVING REVERSIBLE VAPOR AND LIQUID PHASES, AND MOVABLE MEANS FOR ALTERNATELY APPLYING AND REMOVING PRESSURE FORCES TO AND FROM SAID FLUID TO CAUSE REVERSAL BETWEEN SAID PHASES.
Claim 2
Dependent Claim
45 words
A FLUID POWER TRANSFER APPARATUS INCLUDING A HOUSING DEFINING CHAMBER, A DRIVING FLUID IN SAID CHAMBER, SAID FLUID HAVING REVERSIBLE VAPOR AND LIQUID PHASES, AND MOVABLE MEANS FOR ALTERNATELY APPLYING AND REMOVING PRESSURE FORCES TO AND FROM SAID FLUID TO CAUSE REVERSAL BETWEEN SAID PHASES.
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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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |