Patent US1985981A successfully refreshed from Google Patents.
Patent US1115704A successfully refreshed from Google Patents.
US1115704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic-hammer muffler.
Assignee: Individual
•
Filing: 1913-12-23
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Granted: 1914-11-03
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Expires: 1933-12-23
Abstract
No abstract record available.
Inventors
- 👤 Edward Manes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:23
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/002; Y; Y10; Y10S; Y10S173/00; Y10S173/02
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) | 1917-11-02 | 1918-05-04 | 1918-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-11-02 | 1922-05-04 | 1922-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-11-02 | 1926-05-04 | 1926-11-03 | $7700.00 | Window Closed / Lapsed |