Patent US1056689A successfully refreshed from Google Patents.
US1056689A
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US
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Rotary compressor.
Assignee: General Electric Co
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Filing: 1911-06-06
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Granted: 1913-03-18
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Expires: 1931-06-06
Abstract
No abstract record available.
Inventors
- 👤 Walter Kieser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:19
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/44; F04D29/441; F04D29/444; F05; F05D; F05D2250/00; F05D2250/50; F05D2250/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1916-03-17 | 1916-09-16 | 1917-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-03-17 | 1920-09-16 | 1921-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-03-17 | 1924-09-16 | 1925-03-18 | $7700.00 | Window Closed / Lapsed |