Patent US3057767A successfully refreshed from Google Patents.
US3057767A
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Method of making compressor blades
Assignee: Poly Industries Inc
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Filing: 1958-04-01
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Granted: 1962-10-09
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Expires: 1978-04-01
Abstract
No abstract record available.
Inventors
- 👤 Leo I Kaplan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:33
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0025; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/30; B29C70/34; B29C70/347; B29C70/54; B29C70/545; B29C70/56; B29C70/68; B29C70/86; F; F01; F01D; F01D5/00; F01D5/12; F01D5/28; F01D5/282; Y; Y10; Y10S; Y10S273/00; Y10S273/07; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49336
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
THAT IMPROVEMENT IN THE MANUFACTURE OF COMPRESSOR ROTOR BLADES WHICH COMPRISES, RIGIBYL SUPPORTING SHAPED CORES IN A HOLDER ROTABLE ABOUT AN AXIS BETWEEN AND PARALLEL TO SAID CORES, ROTATING SAID CORES ABOUT SAID AXIS TO WIND MULTIPLE LAYERS OF A CONTINUOUS HIGH-STRENGTH FILAMENT IN A DISTRIBUTED MANNER THEREALONG, SUPPORTING THE RESULTANT ASSEMBLY OF FILAMENT ENCIRCLED CORES IN A RIGID
Claim 2
Dependent Claim
59 words
THAT IMPROVEMENT IN THE MANUFACTURE OF COMPRESSOR ROTOR BLADES WHICH COMPRISES, RIGIBYL SUPPORTING SHAPED CORES IN A HOLDER ROTABLE ABOUT AN AXIS BETWEEN AND PARALLEL TO SAID CORES, ROTATING SAID CORES ABOUT SAID AXIS TO WIND MULTIPLE LAYERS OF A CONTINUOUS HIGH-STRENGTH FILAMENT IN A DISTRIBUTED MANNER THEREALONG, SUPPORTING THE RESULTANT ASSEMBLY OF FILAMENT ENCIRCLED CORES IN A RIGID
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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) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |