Patent US1556083A successfully refreshed from Google Patents.
US1556083A
Expired / Lapsed
US
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Flotation machine
Assignee: Individual
•
Filing: 1923-10-18
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Granted: 1925-10-06
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Expires: 1943-10-18
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Daman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:06
CPC Classifications
B; B03; B03D; B03D1/00; B03D1/14; B03D1/16; B03D1/02; B03D1/028; B03D1/1406; B03D1/1443; B03D1/1456; B03D1/1462; B03D1/24; B03D1/245; B03D1/1412
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) | 1928-10-05 | 1929-04-06 | 1929-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-10-05 | 1933-04-06 | 1933-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-10-05 | 1937-04-06 | 1937-10-06 | $7700.00 | Window Closed / Lapsed |