Patent US1690772A successfully refreshed from Google Patents.
Patent US607615A successfully refreshed from Google Patents.
US607615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fly-wheel
Assignee: —
•
Filing: —
•
Granted: 1898-07-19
•
Expires: 1915-07-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:43
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/02; F16D3/06; B; B60; B60K; B60K17/00; B60K17/04; B60K17/043; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19679; Y10T74/19851; Y10T74/1986; Y10T74/21; Y10T74/2121; Y10T74/2132
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) | 1901-07-19 | 1902-01-18 | 1902-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1905-07-19 | 1906-01-18 | 1906-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1909-07-19 | 1910-01-18 | 1910-07-20 | $7700.00 | Window Closed / Lapsed |