Patent US2361842A successfully refreshed from Google Patents.
US2361842A
Expired / Lapsed
US
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Armature construction
Assignee: Jack and Heintz Inc
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Filing: 1942-11-18
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Granted: 1944-10-31
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Expires: 1962-11-18
Abstract
No abstract record available.
Inventors
- 👤 Ralph M Heintz
- 👤 Philip F Scofield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:26
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/04; H02K3/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012; Y10T29/51; Y10T29/5168; Y10T29/5171; Y10T29/5172
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) | 1947-10-31 | 1948-05-01 | 1948-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-10-31 | 1952-05-01 | 1952-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-10-31 | 1956-05-01 | 1956-10-31 | $7700.00 | Window Closed / Lapsed |