Patent US3174387A successfully refreshed from Google Patents.
US3174387A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1962-06-04
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Granted: 1965-03-23
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Expires: 1982-06-04
Abstract
No abstract record available.
Inventors
- 👤 Fischer Artur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:36
CPC Classifications
F; F16; F16B; F16B13/00; F16B13/04; F16B13/06; F16B13/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1295734A
Cited
US2017421A
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US2255650A
Cited
US2887926A
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US2913953A
Cited
US2918841A
Cited
US2914106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |