Patent US2865489A successfully refreshed from Google Patents.
US2865489A
Expired / Lapsed
US
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Carrier system
Assignee: Individual
•
Filing: 1955-11-04
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Granted: 1958-12-23
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Expires: 1975-11-04
Abstract
No abstract record available.
Inventors
- 👤 Peter A Oshanyk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:23
CPC Classifications
A; A47; A47F; A47F10/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US490984A
Cited
US1128003A
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US1582411A
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US2044391A
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US2599444A
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US2472943A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |