US2992620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractable mount
Assignee: Tracerlab Inc
•
Filing: 1954-07-12
•
Granted: 1961-07-18
•
Expires: 1974-07-12
Abstract
No abstract record available.
Inventors
- 👤 Cherkas Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:39
CPC Classifications
F; F16; F16C; F16C29/00; F16C29/04; F16C29/045; G; G01; G01N; G01N23/00; G01N23/02; G01N23/06; G01N23/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US891882A
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US1357941A
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US1461322A
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US1654280A
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US1749381A
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US1731258A
Cited
US2660128A
Cited
US2761395A
Cited
US2769097A
Cited
US2800590A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |