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Patent US2869237A successfully refreshed from Google Patents.
US2869237A
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Trammel bar compass
Assignee: Individual
•
Filing: 1956-09-17
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Granted: 1959-01-20
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Expires: 1976-09-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Berge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:39
CPC Classifications
B; B43; B43L; B43L9/00; B43L9/02; B43L9/04; F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/065; Y; Y10; Y10S; Y10S417/00; Y10S417/01; Y10T; Y10T279/00; Y10T279/17; Y10T279/17291; Y10T279/17299; Y10T279/17411; Y10T279/17418; Y10T279/17427; Y10T279/17487; Y10T279/17495; Y10T403/00; Y10T403/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US522053A
Cited
US534152A
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US695661A
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US1236069A
Cited
US2046508A
Cited
US2246086A
Cited
US2419752A
Cited
US2755110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |