US2660950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
L lambert
Assignee: —
•
Filing: —
•
Granted: 1953-12-01
•
Expires: 1970-12-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:35
CPC Classifications
—
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2350703A
Cited
US1904626A
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USRE15734E
Cited
US2044755A
Cited
US2380331A
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US2377522A
Cited
US1623478A
Cited
US2009490A
Cited
US2179269A
Cited
US2373503A
Cited
US2234583A
Cited
US2204971A
Cited
US2189456A
Cited
US2352802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |