US2674819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam attachment for flatirons
Assignee: General Mills Inc
•
Filing: 1948-10-11
•
Granted: 1954-04-13
•
Expires: 1968-10-11
Abstract
No abstract record available.
Inventors
- 👤 Thomas S Zastrow
- 👤 William A Andres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:48
CPC Classifications
D; D06; D06F; D06F75/00; D06F75/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE487322C
Cited
FR690034A
Cited
US1858250A
Cited
AT130971B
Cited
US2178817A
Cited
US2302264A
Cited
US2353604A
Cited
GB553839A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |