US2550685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical objective balance assembly
Assignee: GARUTSO Inc
•
Filing: 1945-10-25
•
Granted: 1951-05-01
•
Expires: 1965-10-25
Abstract
No abstract record available.
Inventors
- 👤 Stephen E Garutso
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:47
CPC Classifications
G; G02; G02B; G02B3/00; G02B3/02; G02B3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1154232A
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US1446634A
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FR622100A
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GB335696A
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FR723996A
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US1954755A
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US2004806A
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US1979159A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |