Patent US948082A successfully refreshed from Google Patents.
Patent US3216648A successfully refreshed from Google Patents.
US3216648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic blowdown system for compressors
Assignee: Individual
•
Filing: 1962-04-02
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Granted: 1965-11-09
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Expires: 1982-04-02
Abstract
No abstract record available.
Inventors
- 👤 Stephen H Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:58
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/16; F04B25/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A METHOD OF TRANSFERRING COLLECTED CONDENSATE FROM THE SEPARATOR IN EACH STAGE OF A MULTI-STAGE GAS COMPRESSOR WHICH COMPRISES THE STEPS OF: (A) SELECTIVELY CONNECTING AN ACCUMULATOR MEANS WITH EACH SEPARATOR IN AN ORDER OF INCREASING PRESSURE; (B) THEREBY TRANSFERRING CONDENSATE FROM THE SEPARATORS TO THE ACCUMULATOR MEANS; AND (C) CONNECTING SAID ACCUMULATOR MEANS WITH A DRAIN MEANS.
Claim 2
Independent Claim
58 words
A METHOD OF TRANSFERRING COLLECTED CONDENSATE FROM THE SEPARATOR IN EACH STAGE OF A MULTI-STAGE GAS COMPRESSOR WHICH COMPRISES THE STEPS OF: (A) SELECTIVELY CONNECTING AN ACCUMULATOR MEANS WITH EACH SEPARATOR IN AN ORDER OF INCREASING PRESSURE; (B) THEREBY TRANSFERRING CONDENSATE FROM THE SEPARATORS TO THE ACCUMULATOR MEANS; AND (C) CONNECTING SAID ACCUMULATOR MEANS WITH A DRAIN MEANS.
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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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |