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US2614756A
Expired / Lapsed
US
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Amalgamator
Assignee: Individual
•
Filing: 1947-05-03
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Granted: 1952-10-21
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Expires: 1967-05-03
Abstract
No abstract record available.
Inventors
- 👤 Ferguson Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:52
CPC Classifications
C; C22; C22B; C22B11/00; C22B11/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US19337A
Cited
US243659A
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US413014A
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US552392A
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US615811A
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US794714A
Cited
US1556927A
Cited
US2065821A
Cited
US2063996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |