US2840399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attachment of gears to tapered shaft ends
Assignee: R Hoe and Co Inc
•
Filing: 1952-07-26
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Granted: 1958-06-24
•
Expires: 1972-07-26
Abstract
No abstract record available.
Inventors
- 👤 Charles A Harless
- 👤 Emory W Worthington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:30
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/09; F16D1/092; B; B23; B23P; B23P11/00; B23P11/02; B23P11/022; F16D2001/0906; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49696; Y10T29/49805; Y10T29/49826; Y10T29/49863; Y10T29/49945; Y10T29/53; Y10T29/53439; Y10T403/00; Y10T403/16; Y10T403/1633
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US370527A
Cited
AT9349B
Cited
GB111995A
Cited
US1863401A
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US2084439A
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US2230045A
Cited
US2348293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |