US3429329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drain apparatus for automatically draining condensate
Assignee: Smith Meter Inc
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Filing: 1966-10-04
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Granted: 1969-02-25
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Expires: 1986-10-04
Abstract
No abstract record available.
Inventors
- 👤 George Merrill Berkley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:09
CPC Classifications
F; F16; F16T; F16T1/00; F16T1/12; F16T1/14; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3021; Y10T137/304; Y10T137/3052; Y10T137/3056; Y10T137/3102; Y10T137/3105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |