Patent US3531964A successfully refreshed from Google Patents.
US3531964A
Expired / Lapsed
US
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Controlled glass bead peening
Assignee: National Aeronautics and Space Administration
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Filing: 1967-08-31
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Granted: 1970-10-06
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Expires: 1987-08-31
Abstract
No abstract record available.
Inventors
- 👤 Charles R Manning Jr
- 👤 Thomas T Bales
- 👤 Wayne B Lisagor
- 👤 Marion B Seyffert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:07
CPC Classifications
B; B24; B24C; B24C3/00; B24C3/32; B24C3/325; C; C21; C21D; C21D7/00; C21D7/02; C21D7/04; C21D7/06; F; F17; F17C; F17C13/00; F17C13/12; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/0128; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0326; F17C2205/0329; F17C2221/00; F17C2221/01; F17C2221/014; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2260/00; F17C2260/05; F17C2260/053; F17C2270/00; F17C2270/01; F17C2270/0186; F17C2270/0194
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US708880A
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US1116776A
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US1628317A
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AU1380828A
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US2041355A
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US2900765A
Cited
US3199171A
Cited
US3396492A
Cited
US3427763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |