US1442629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knob and spindle construction
Assignee: Emhart Industries Inc
•
Filing: 1922-01-10
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Granted: 1923-01-16
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Expires: 1942-01-10
Abstract
No abstract record available.
Inventors
- 👤 Charles I Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:17
CPC Classifications
E; E05; E05B; E05B3/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49599; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49925; Y10T29/49927; Y10T29/49929; Y10T292/00; Y10T292/82; Y10T292/85
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) | 1926-01-15 | 1926-07-17 | 1927-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-01-15 | 1930-07-17 | 1931-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-01-15 | 1934-07-17 | 1935-01-16 | $7700.00 | Window Closed / Lapsed |