US3449833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for determining the coordinates of points
Assignee: Individual
•
Filing: 1967-01-25
•
Granted: 1969-06-17
•
Expires: 1987-01-25
Abstract
No abstract record available.
Inventors
- 👤 Gregory Dzula
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:43
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/004; B; B43; B43L; B43L13/00; B43L13/02; B43L13/022; G06; G06K; G06K11/00; G06K11/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2353726A
Cited
US2944157A
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US2788519A
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US2873535A
Cited
US3059236A
Cited
US3111841A
Cited
US3166844A
Cited
US3212194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |