US2818914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System of containers for at least two liquids and a pressure gas
Assignee: Rheinmetall Air Defence AG
•
Filing: 1954-02-26
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Granted: 1958-01-07
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Expires: 1974-02-26
Abstract
No abstract record available.
Inventors
- 👤 Thomann Hans
- 👤 Steck Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:55
CPC Classifications
F; F04; F04B; F04B11/00; F04B11/0008; F04B11/0016; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/50; F02K9/60; F02K9/605; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1560016A
Cited
US1623101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |