Patent US1724835A successfully refreshed from Google Patents.
US1724835A
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US
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Chain coupling
Assignee: BEAD CHAIN Manufacturing Co
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Filing: 1928-03-29
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Granted: 1929-08-13
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Expires: 1948-03-29
Abstract
No abstract record available.
Inventors
- 👤 Gilbert W Goodridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:27
CPC Classifications
A; A47; A47H; A47H13/00; A47H13/02; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3902; Y10T24/3904; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8676; Y10T70/8703
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) | 1932-08-12 | 1933-02-11 | 1933-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-08-12 | 1937-02-11 | 1937-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-08-12 | 1941-02-11 | 1941-08-13 | $7700.00 | Window Closed / Lapsed |