US1776615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint and method of making the same
Assignee: Alcoa Corp
•
Filing: 1928-12-12
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Granted: 1930-09-23
•
Expires: 1948-12-12
Abstract
No abstract record available.
Inventors
- 👤 Dale M Boothman
- 👤 James A Cullerton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:37
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/04; F; F16; F16B; F16B2200/00; F16B2200/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49938; Y10T29/49945; Y10T403/00; Y10T403/49; Y10T403/4983; Y10T403/4991; Y10T428/00; Y10T428/12; Y10T428/12451; Y10T428/12458; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12757
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-09-22 | 1934-03-24 | 1934-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-09-22 | 1938-03-24 | 1938-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-09-22 | 1942-03-24 | 1942-09-23 | $7700.00 | Window Closed / Lapsed |