US2624370A
Expired / Lapsed
US
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Assignee: Draper Corp
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Filing: 1951-03-08
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Granted: 1953-01-06
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Expires: 1971-03-08
Abstract
No abstract record available.
Inventors
- 👤 Maurice R Flamand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:11
CPC Classifications
D; D03; D03D; D03D47/00; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3958; Y10T24/3967; Y10T24/44; Y10T24/44291; Y10T24/44299; Y10T24/44308; Y10T24/44573; Y10T24/44581; Y10T24/44641; Y10T24/4494
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1899634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |