Patent US2647384A successfully refreshed from Google Patents.
US2647384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distribution of supplies to laundry washers
Assignee: US Hoffman Machinery Corp
•
Filing: 1950-03-07
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Granted: 1953-08-04
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Expires: 1970-03-07
Abstract
No abstract record available.
Inventors
- 👤 Erlanger Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:00
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US888576A
Cited
US2030394A
Cited
US2149046A
Cited
US2244686A
Cited
US2430668A
Cited
US2504013A
Cited
US2500042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |