Patent US2208732A successfully refreshed from Google Patents.
US2208732A
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Method of making riveted articles
Assignee: AT&T Inc
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Filing: 1937-07-27
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Granted: 1940-07-23
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Expires: 1957-07-27
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Powell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:14
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/02; B23; B23K; B23K11/00; B23K11/16; B23K11/18; B23K35/00; B23K35/22; B23K35/24; C; C23; C23C; C23C4/00; C23C4/04; C23C4/06; C23C4/08; C23C4/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49888
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) | 1943-07-23 | 1944-01-22 | 1944-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-07-23 | 1948-01-22 | 1948-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-07-23 | 1952-01-22 | 1952-07-23 | $7700.00 | Window Closed / Lapsed |