Patent US2500813A successfully refreshed from Google Patents.
Patent US3270530A successfully refreshed from Google Patents.
US3270530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry cleaning machine
Assignee: McGraw Edison Co
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Filing: 1965-06-30
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Granted: 1966-09-06
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Expires: 1985-06-30
Abstract
No abstract record available.
Inventors
- 👤 Clifford F Czech
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:00
CPC Classifications
D; D06; D06F; D06F43/00; D06F43/08; D06F43/081; D06F43/085; D06F43/086
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN A CLOTHES WASHING MACHINE FOR USE WITH VOLATILE CLEANING SOLVENTS, THE COMBINATION COMPRISING A CLOTHES TREATING TUB, A SOLVENT RESERVOIR FOR RECEIVING SOLVENT DRAINED FROM SAID TUB, MEANS FOR CIRCULATING SOLVENT FROM SAID RESERVOIR, CONDUIT MEANS FOR CONDUCTING SOLVENT FROM SAID CIRCULATING MEANS TO SAID TUB FOR WASHING CLOTHES IN SAID TUB, AIR CIRCULATING MEANS INCLUDING A SOLVENT CONDENSER AND A HEATER FOR SUPPLYING DRIED HEATED AIR TO SAID TUB FOR DRYING THE CLOTES, SAID AIR CIRCULATING MEANS ALSO INCLUDING A BLOWER FOR WITHDRAWING AIR FROM SAID TUB AND A DIVERTER VALVE FOR SELECTIVELY DIRECTING AIR FROM SAID BLOWER TO EXHAUST AND TO SAID CONDENSER, SAID CONDENSER INCLUDING AN MAIN AIR PASSAGE THERETHROUGH HAVING A PLU-
Claim 2
Dependent Claim
117 words
IN A CLOTHES WASHING MACHINE FOR USE WITH VOLATILE CLEANING SOLVENTS, THE COMBINATION COMPRISING A CLOTHES TREATING TUB, A SOLVENT RESERVOIR FOR RECEIVING SOLVENT DRAINED FROM SAID TUB, MEANS FOR CIRCULATING SOLVENT FROM SAID RESERVOIR, CONDUIT MEANS FOR CONDUCTING SOLVENT FROM SAID CIRCULATING MEANS TO SAID TUB FOR WASHING CLOTHES IN SAID TUB, AIR CIRCULATING MEANS INCLUDING A SOLVENT CONDENSER AND A HEATER FOR SUPPLYING DRIED HEATED AIR TO SAID TUB FOR DRYING THE CLOTES, SAID AIR CIRCULATING MEANS ALSO INCLUDING A BLOWER FOR WITHDRAWING AIR FROM SAID TUB AND A DIVERTER VALVE FOR SELECTIVELY DIRECTING AIR FROM SAID BLOWER TO EXHAUST AND TO SAID CONDENSER, SAID CONDENSER INCLUDING AN MAIN AIR PASSAGE THERETHROUGH HAVING A PLU-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |