US3098500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broken discharge line indicator
Assignee: Cleveland Gear Co
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Filing: 1961-09-11
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Granted: 1963-07-23
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Expires: 1981-09-11
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Gruber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:46
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/20; F16K17/22; F16K17/24; F16K17/28; F16N; F16N29/00; F16N29/04; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7723; Y10T137/8158; Y10T137/8225; Y10T137/8242; Y10T137/8275
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
57 words
A BROKEN LINE INDICATOR FOR A LUBRICATING SYSTEM AND THE LIKE COMPRISING A PILOT PISTON AND AN INDICATOR PISTON IN TANDEM, MEANS TO MOVE SAID INDICATOR PISTON IN RESPONSE TO MOVEMENT OF SAID PILOT PISTON TO EXPOSE AN END OF SAID INDICATOR PISTON TO LINE PRESSURE, AND MEANS TO RETURN SAID PILOT PISTON TO ITS ORIGINAL POSITION.
References Cited (Backward Citations)
US1942096A
Cited
US2962044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |