Patent US2741757A successfully refreshed from Google Patents.
US2228068A
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Integrating apparatus
Assignee: Fairbanks Morse and Co
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Filing: 1937-07-10
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Granted: 1941-01-07
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Expires: 1957-07-10
Abstract
No abstract record available.
Inventors
- 👤 Elisha J White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:11
CPC Classifications
G; G01; G01G; G01G11/00; G01G11/14; G01G11/20; G06; G06G; G06G3/00; G06G3/08; G06Q; G06Q30/00; G06Q30/02; G06Q30/0241; G06Q30/0251; G06Q30/0269; G06Q30/0273
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) | 1944-01-07 | 1944-07-08 | 1945-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-01-07 | 1948-07-08 | 1949-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-01-07 | 1952-07-08 | 1953-01-07 | $7700.00 | Window Closed / Lapsed |