Patent US2950047A successfully refreshed from Google Patents.
US2950047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barberis
Assignee: —
•
Filing: —
•
Granted: 1960-08-23
•
Expires: 1977-08-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:59
CPC Classifications
—
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1653655A
Cited
US2261242A
Cited
US2602585A
Cited
US2746678A
Cited
US864185A
Cited
US1048861A
Cited
US1142079A
Cited
US1122489A
Cited
US1255567A
Cited
US2624126A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |