Patent US2536750A successfully refreshed from Google Patents.
US703139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stellar compass and great-circle-course projector.
Assignee: Individual
•
Filing: 1902-02-24
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Granted: 1902-06-24
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Expires: 1922-02-24
Abstract
No abstract record available.
Inventors
- 👤 Robert T Lawless
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:32
CPC Classifications
G; G01; G01C; G01C11/00
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) | 1905-06-23 | 1905-12-23 | 1906-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-06-23 | 1909-12-23 | 1910-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-06-23 | 1913-12-23 | 1914-06-24 | $7700.00 | Window Closed / Lapsed |