US2825509A
Expired / Lapsed
US
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Apparatus for the outflow of condensed water
Assignee: Gustav F Gerdts KG
•
Filing: 1951-10-29
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Granted: 1958-03-04
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Expires: 1971-10-29
Abstract
No abstract record available.
Inventors
- 👤 Pape Hans-Martin
- 👤 Letzas Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:59
CPC Classifications
F; F16; F16T; F16T1/00; F16T1/20; F16T1/22; F16T1/24; F16T1/02; F16T1/08; F16T1/38; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3021; Y10T137/304; Y10T137/3052; Y10T137/3068; Y10T137/8593; Y10T137/87917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE16849C
Cited
US1384715A
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DE419571C
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FR628899A
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US1711660A
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FR676333A
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US2264261A
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US2421144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |