Patent US3356360A successfully refreshed from Google Patents.
US3356360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for supporting stacked and bonded laminations for electrical apparatus
Assignee: Sundstrand Corp
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Filing: 1964-08-25
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Granted: 1967-12-05
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Expires: 1984-08-25
Abstract
No abstract record available.
Inventors
- 👤 Elmer F Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:07
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/02; H02K15/021; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1751; Y10T156/1761
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN APPARATTUS FOR SUPPORTING A STACK OF GENERALLY ANNULAR THIN LAMINATIONS USABLE IN A ROTARY ELECTRIC MACHINE, SAID LAMINATIONS EACH HAVING SLOTS THERETHROUGH WHICH ARE ALIGNED WHEN THE LAMINATIONS ARE ASSEMBLED IN FACE TO FACE RELATIONSHIP IN A STACK, AND INCLUDING A MANDREL MEANS FOR INTERNALLY SUPPORTING SAID STACK OF LAMINATIONS SO THAT THE EXTERIOR PERIPHERY OF THE STACK IS EXPOSABLE TO RECEIVE AN APPLICATION OF LIQUID BONDING AGENT, THE IMPROVEMENT IN THE MANDREL MEANS COMPRISING: A MANDREL WHICH IS EXPANDIBLE SUFFICIENTLY TO INTERNALLY SUPPORT ALL LAMINATIONS OF SAID STACK WHEN
Claim 2
Dependent Claim
91 words
IN APPARATTUS FOR SUPPORTING A STACK OF GENERALLY ANNULAR THIN LAMINATIONS USABLE IN A ROTARY ELECTRIC MACHINE, SAID LAMINATIONS EACH HAVING SLOTS THERETHROUGH WHICH ARE ALIGNED WHEN THE LAMINATIONS ARE ASSEMBLED IN FACE TO FACE RELATIONSHIP IN A STACK, AND INCLUDING A MANDREL MEANS FOR INTERNALLY SUPPORTING SAID STACK OF LAMINATIONS SO THAT THE EXTERIOR PERIPHERY OF THE STACK IS EXPOSABLE TO RECEIVE AN APPLICATION OF LIQUID BONDING AGENT, THE IMPROVEMENT IN THE MANDREL MEANS COMPRISING: A MANDREL WHICH IS EXPANDIBLE SUFFICIENTLY TO INTERNALLY SUPPORT ALL LAMINATIONS OF SAID STACK WHEN
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |