US2660869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry cleaning apparatus
Assignee: AURORA RES IND Inc
•
Filing: 1951-10-23
•
Granted: 1953-12-01
•
Expires: 1971-10-23
Abstract
No abstract record available.
Inventors
- 👤 Mcdonald Dan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:01
CPC Classifications
D; D06; D06F; D06F43/00; D06F43/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1775699A
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US1795006A
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US1776190A
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US1843657A
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US2011083A
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US2064084A
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US2198412A
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US2574251A
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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) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |