US1705463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attaching tapped nuts to metal plates
Assignee: AO Smith Corp
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Filing: 1927-07-15
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Granted: 1929-03-12
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Expires: 1947-07-15
Abstract
No abstract record available.
Inventors
- 👤 Andren Birger Torvald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:17
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/64; B21K1/70; B21K1/702; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/966; Y10S411/967; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/4992; Y10T29/49938; Y10T29/4994; Y10T292/00; Y10T292/62
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) | 1932-03-11 | 1932-09-10 | 1933-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-03-11 | 1936-09-10 | 1937-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-03-11 | 1940-09-10 | 1941-03-12 | $7700.00 | Window Closed / Lapsed |