US654484A
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Assignee: Individual
•
Filing: 1900-03-31
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Granted: 1900-07-24
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Expires: 1920-03-31
Abstract
No abstract record available.
Inventors
- 👤 Oscar Nygren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:00
CPC Classifications
F; F16; F16K; F16K29/00; Y; Y10; Y10S; Y10S137/00; Y10S137/901; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4273; Y10T137/428; Y10T137/4294; Y10T137/4322; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7927; Y10T137/7929; Y10T137/7934
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) | 1903-07-24 | 1904-01-23 | 1904-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-07-24 | 1908-01-23 | 1908-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-07-24 | 1912-01-23 | 1912-07-24 | $7700.00 | Window Closed / Lapsed |