US1018763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing sparks.
Assignee: Hompesch & Co
•
Filing: 1911-11-25
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Granted: 1912-02-27
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Expires: 1931-11-25
Abstract
No abstract record available.
Inventors
- 👤 Richard Von Horvath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:19
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/02; F23Q2/04; F23Q2/06; F23Q2/08
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) | 1915-02-26 | 1915-08-28 | 1916-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-02-26 | 1919-08-28 | 1920-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-02-26 | 1923-08-28 | 1924-02-27 | $7700.00 | Window Closed / Lapsed |