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US840791A
Expired / Lapsed
US
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Spring-washer.
Assignee: COMMERCIAL FIRM "CARL SPIEGEL"
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Filing: 1905-11-14
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Granted: 1907-01-08
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Expires: 1925-11-14
Abstract
No abstract record available.
Inventors
- 👤 Hermann Moehring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:49
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/24; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/956; Y10S411/96
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) | 1910-01-07 | 1910-07-09 | 1911-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-01-07 | 1914-07-09 | 1915-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-01-07 | 1918-07-09 | 1919-01-08 | $7700.00 | Window Closed / Lapsed |