Patent US2693131A successfully refreshed from Google Patents.
US2693131A
Expired / Lapsed
US
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Projecting indicating instrument assembly for vehicles
Assignee: GLOWMETER Corp
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Filing: 1951-08-31
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Granted: 1954-11-02
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Expires: 1971-08-31
Abstract
No abstract record available.
Inventors
- 👤 Agis I Mihalakis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:36
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/07; G01P1/08; G01P1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1144009A
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US1629680A
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US1757493A
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GB436710A
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US2165498A
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US2191045A
Cited
US2538218A
Cited
US2641160A
Cited
US2579806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |