US3400036A
Expired / Lapsed
US
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Article having iridescent surface and method of making same
Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1964-03-16
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Granted: 1968-09-03
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Expires: 1984-03-16
Abstract
No abstract record available.
Inventors
- 👤 Philip J Hemrick
- 👤 Richard P Gremling
- 👤 Hugh R Mason
- 👤 Merle F Schreurs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:23
CPC Classifications
B; B44; B44F; B44F9/00; B44F9/08; B44F1/00; B44F1/08; B44F1/14; D; D06; D06N; D06N3/00; D06N3/0056; D06N3/0065; D06N7/00; D06N7/0005; D06N7/0028; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1023; Y10T156/1039; Y10T156/1041; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24364; Y10T428/24471; Y10T428/24479; Y10T428/24521; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T442/00; Y10T442/20; Y10T442/273
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |