US2928588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor
Assignee: Individual
•
Filing: 1956-10-24
•
Granted: 1960-03-15
•
Expires: 1976-10-24
Abstract
No abstract record available.
Inventors
- 👤 Gustav H Sudmeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:07
CPC Classifications
F; F25; F25B; F25B31/00; F25B31/02; Y; Y10; Y10S; Y10S417/00; Y10S417/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR510490A
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US1685397A
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GB286857A
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US1870228A
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US2130349A
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US2200222A
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US2306608A
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US2413035A
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US2534520A
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US2545600A
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US2512764A
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US2548799A
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US2691347A
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US2721026A
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US2784673A
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US2759423A
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US2826152A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |