Patent US5324800A successfully refreshed from Google Patents.
Patent US718727A successfully refreshed from Google Patents.
US718727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Split collar for shafts.
Assignee: Individual
•
Filing: 1902-11-15
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Granted: 1903-01-20
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Expires: 1922-11-15
Abstract
No abstract record available.
Inventors
- 👤 Georg Potstada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:01
CPC Classifications
F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/065; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7009; Y10T403/7011; Y10T403/7013
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) | 1906-01-19 | 1906-07-21 | 1907-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-01-19 | 1910-07-21 | 1911-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-01-19 | 1914-07-21 | 1915-01-20 | $7700.00 | Window Closed / Lapsed |