US2918648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Testing apparatus
Assignee: Lanteris Space LLC
•
Filing: 1956-06-15
•
Granted: 1959-12-22
•
Expires: 1976-06-15
Abstract
No abstract record available.
Inventors
- 👤 Walter W Ludman
- 👤 Sowirka Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:30
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/28; G01R31/282; G01R31/2825; G01R1/00; G01R1/02; G01R1/06; G01R1/067; G01R1/073; G01R1/07307; G01R1/07314
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1519499A
Cited
US1928157A
Cited
US1961578A
Cited
US2158630A
Cited
US2286812A
Cited
US2399753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |