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US3037518A
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Automatic multistage regulating nozzle
Assignee: Gustav F Gerdts KG
•
Filing: 1957-01-07
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Granted: 1962-06-05
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Expires: 1977-01-07
Abstract
No abstract record available.
Inventors
- 👤 Pape Hans-Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:53
CPC Classifications
F; F16; F16T; F16T1/00; F16T1/12; F16T1/16; F16T1/165; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3021; Y10T137/304
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1566580A
Cited
US1237252A
Cited
GB260163A
Cited
US2634744A
Cited
FR1116221A
Cited
US2724399A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-04 | 1965-12-04 | 1966-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-04 | 1969-12-04 | 1970-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-04 | 1973-12-04 | 1974-06-05 | $7700.00 | Window Closed / Lapsed |