US2919834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing system for highly volatile liquids
Assignee: Rockwell Manufacturing Co
•
Filing: 1956-06-12
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Granted: 1960-01-05
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Expires: 1976-06-12
Abstract
No abstract record available.
Inventors
- 👤 Rowland B Rugeley
- 👤 George E Batchelder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:39
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/76; B67D7/763; F; F17; F17C; F17C5/00; F17C5/02; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3127; Y10T137/313
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2012362A
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US2049239A
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US2126367A
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US2291678A
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US2329323A
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US2368215A
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US2487863A
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US2725722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |