Patent US3371399A successfully refreshed from Google Patents.
US3371399A
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US
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Method of making inflated metal products
Assignee: Texas Instruments Inc
•
Filing: 1964-08-17
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Granted: 1968-03-05
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Expires: 1984-08-17
Abstract
No abstract record available.
Inventors
- 👤 Edwin A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:44
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/02; B21D53/04; B21D53/045; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49366; Y10T29/49369; Y10T29/49371
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2593460A
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US2691815A
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US2766514A
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US2990608A
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US3019513A
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US3061924A
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US3015157A
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US3166837A
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US3271846A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |