US2957067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Appliance units
Assignee: Lanteris Space LLC
•
Filing: 1958-08-14
•
Granted: 1960-10-18
•
Expires: 1978-08-14
Abstract
No abstract record available.
Inventors
- 👤 Donald W Scofield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:00
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/32; F24C15/322; F24C15/325
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1944449A
Cited
US2410285A
Cited
US2491420A
Cited
US2611790A
Cited
US2782292A
Cited
US2862096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |