US3237276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylindrical rotor assembly
Assignee: Individual
•
Filing: 1963-04-12
•
Granted: 1966-03-01
•
Expires: 1983-04-12
Abstract
No abstract record available.
Inventors
- 👤 Ohe Ernst Von Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:19
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/26; B26D7/2614; B02; B02C; B02C13/00; B02C13/26; B02C13/28; B02C13/2804; B02C18/00; B02C18/06; B02C18/16; B02C18/18; B02C4/00; B02C4/28; B02C4/30; B02C4/40; B02C4/44; D; D21; D21D; D21D1/00; D21D1/02; F; F04; F04C; F04C2/00; F04C2/08; F04C2/082; F04C2/084; F16; F16C; F16C13/00; F16F; F16F15/00; F16F15/30; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49462; Y10T29/49465; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19893; Y10T74/1993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A ROTOR ASSEMBLY COMPRISING A PLURALITY OF HOLLOW CYLINDRICAL SEGMENTS ASSEMBLED WITH THEIR LONGITUDINAL EDGES ABUTTING TO FORM A HOLLOW ROTOR CORE, A LONGITUDINAL RIB ON THE OUTER SURFACE OF EACH SEGMENT FOR FORMING GROOVES BETWEEN ADJACENT RIBS ON SAID OUTER SURFACE, A TOOL MEMBER SEATED IN EACH GROOVE RESPECTIVELY, A HOLD-
Claim 2
Dependent Claim
52 words
A ROTOR ASSEMBLY COMPRISING A PLURALITY OF HOLLOW CYLINDRICAL SEGMENTS ASSEMBLED WITH THEIR LONGITUDINAL EDGES ABUTTING TO FORM A HOLLOW ROTOR CORE, A LONGITUDINAL RIB ON THE OUTER SURFACE OF EACH SEGMENT FOR FORMING GROOVES BETWEEN ADJACENT RIBS ON SAID OUTER SURFACE, A TOOL MEMBER SEATED IN EACH GROOVE RESPECTIVELY, A HOLD-
References Cited (Backward Citations)
US480930A
Cited
US1309695A
Cited
US2733556A
Cited
US1238310A
Cited
US1843287A
Cited
US2055108A
Cited
US2221853A
Cited
US2465231A
Cited
US2600613A
Cited
US3069922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |