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US2437679A
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US
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Assignee: Individual
•
Filing: 1945-11-21
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Granted: 1948-03-16
•
Expires: 1965-11-21
Abstract
No abstract record available.
Inventors
- 👤 Archie R Burgess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:12
CPC Classifications
G; G01; G01B; G01B11/00; G01B11/24; G01B11/245; G01B3/00; G01B3/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE321742C
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US2002679A
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US2086153A
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US2197204A
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US2242131A
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US2320720A
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US2417148A
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US2415179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-16 | 1951-09-15 | 1952-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-16 | 1955-09-15 | 1956-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-16 | 1959-09-15 | 1960-03-16 | $7700.00 | Window Closed / Lapsed |