US3538579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting fixture for assembling a plural-stage axial compressor
Assignee: Sulzer AG
•
Filing: 1968-01-24
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Granted: 1970-11-10
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Expires: 1988-01-24
Abstract
No abstract record available.
Inventors
- 👤 Walter Sprenger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:40
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/16; F01D17/162; F04; F04D; F04D29/00; F04D29/40; F04D29/52; F04D29/54; F04D29/56; F04D29/563; F04D29/60; F04D29/64; F04D29/644; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4932; Y10T29/49321; Y10T29/49762; Y10T29/53; Y10T29/53961
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1580426A
Cited
US3286335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |