US2849014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid proportioner
Assignee: Bowser Inc
•
Filing: 1952-05-28
•
Granted: 1958-08-26
•
Expires: 1972-05-28
Abstract
No abstract record available.
Inventors
- 👤 Ralph B Pressler
- 👤 Victor O Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:53
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/74; B67D7/741; B67D7/742; G; G05; G05D; G05D11/00; G05D11/008; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1763335A
Cited
US2009622A
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US1999881A
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US2024115A
Cited
US2090069A
Cited
US2218393A
Cited
US2148671A
Cited
US2262031A
Cited
US2527136A
Cited
US2554772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |