US2468692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring device
Assignee: Leupold & Stevens Instr
•
Filing: 1947-03-21
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Granted: 1949-04-26
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Expires: 1967-03-21
Abstract
No abstract record available.
Inventors
- 👤 John C Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:56
CPC Classifications
G; G01; G01W; G01W1/00; G01W1/14; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/272; Y10T137/2747; Y10T137/2754; Y10T137/2774; Y10T137/2795; Y10T137/2836
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US336072A
Cited
US679388A
Cited
GB190008809A
Cited
GB190108214A
Cited
US776014A
Cited
US922698A
Cited
US1355988A
Cited
US1949387A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |