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US3331145A
Expired / Lapsed
US
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Globe structure
Assignee: Trace Tooling Corp
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Filing: 1965-08-05
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Granted: 1967-07-18
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Expires: 1985-08-05
Abstract
No abstract record available.
Inventors
- 👤 Alton J Amdahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:16
CPC Classifications
G; G09; G09B; G09B27/00; G09B27/08; Y; Y10; Y10S; Y10S52/00; Y10S52/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL57244C
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GB161045A
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US2181831A
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GB560186A
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US2424601A
Cited
FR1164405A
Cited
US2875866A
Cited
US3091487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |