US2852843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making metal joint
Assignee: Aerojet Rocketdyne Inc
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Filing: 1955-04-25
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Granted: 1958-09-23
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Expires: 1975-04-25
Abstract
No abstract record available.
Inventors
- 👤 Howard W Banta
- 👤 Harold R Grant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:36
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/04; F16B7/0406; B; B21; B21D; B21D39/00; B21D39/04; B21K; B21K25/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929; Y10T29/49934; Y10T29/49936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |