Patent US1353443A successfully refreshed from Google Patents.
US1353443A
Expired / Lapsed
US
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Egg-mixer
Assignee: Individual
•
Filing: 1920-02-05
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Granted: 1920-09-21
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Expires: 1940-02-05
Abstract
No abstract record available.
Inventors
- 👤 Wilson Robert Grout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:18
CPC Classifications
B; B01; B01F; B01F31/00; B01F31/10; B01F33/00; B01F33/50; B01F33/501; B01F33/5011; B01F35/00; B01F35/30; B01F35/32; B01F35/32005; B01F35/3202; B01F35/32021; B01F35/40; B01F35/41; B01F35/411; B01F35/4111; B01F27/00; B01F27/05; B01F27/11; B01F27/112; B01F27/1125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1923-09-21 | 1924-03-22 | 1924-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-09-21 | 1928-03-22 | 1928-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-09-21 | 1932-03-22 | 1932-09-21 | $7700.00 | Window Closed / Lapsed |