US2544662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handkerchief ironing machine
Assignee: Individual
•
Filing: 1943-08-24
•
Granted: 1951-03-13
•
Expires: 1963-08-24
Abstract
No abstract record available.
Inventors
- 👤 Edwin E Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:54
CPC Classifications
D; D06; D06F; D06F71/00; D06F71/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US711766A
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US998622A
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US913296A
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US1853375A
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US1562837A
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US1680891A
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US1763597A
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US1802018A
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US2031781A
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US2045148A
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US2350153A
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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) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |