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US1978685A
Expired / Lapsed
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Method of making rear axle housings
Assignee: Doosan Bobcat North America Inc
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Filing: 1931-07-20
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Granted: 1934-10-30
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Expires: 1951-07-20
Abstract
No abstract record available.
Inventors
- 👤 Edmund C Mogford
- 👤 Spatta George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:12
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/88; B21D53/90; B60; B60G; B60G17/00; B60G17/005; B60G2200/00; B60G2200/30; B60G2200/32; B60G2204/00; B60G2204/40; B60G2204/46; Y; Y10; Y10S; Y10S29/00; Y10S29/043; Y10T; Y10T74/00; Y10T74/21; Y10T74/2186; Y10T74/2188
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) | 1937-10-29 | 1938-04-30 | 1938-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-10-29 | 1942-04-30 | 1942-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-10-29 | 1946-04-30 | 1946-10-30 | $7700.00 | Window Closed / Lapsed |