Patent US3067986A successfully refreshed from Google Patents.
US3067986A
Expired / Lapsed
US
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Laundry apparatus
Assignee: JOANN GRANTHAM
•
Filing: 1957-11-18
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Granted: 1962-12-11
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Expires: 1977-11-18
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Grantham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:16
CPC Classifications
D; D06; D06F; D06F58/00; D06F58/02; D06F58/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA489636A
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US1504991A
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US1946811A
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US2321124A
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US2643463A
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US2590438A
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US2722408A
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US2880977A
Cited
US2837321A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |