Patent US2943748A successfully refreshed from Google Patents.
US2943748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sahlin
Assignee: —
•
Filing: —
•
Granted: 1960-07-05
•
Expires: 1977-07-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:55
CPC Classifications
—
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1476050A
Cited
US1735443A
Cited
US2263199A
Cited
US2264826A
Cited
US2609776A
Cited
US2644594A
Cited
US2814395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |