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US2652644A
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Flatwork ironing machine
Assignee: Isaac Braithwaite and Son Engineers Ltd
•
Filing: 1949-03-03
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Granted: 1953-09-22
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Expires: 1969-03-03
Abstract
No abstract record available.
Inventors
- 👤 Howlett Edward John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:37
CPC Classifications
D; D06; D06F; D06F65/00; D06F65/02; D06F65/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US437091A
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US445723A
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US453028A
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US540334A
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US628242A
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US643189A
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US2139672A
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GB469712A
Cited
US2334629A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |