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US1184403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic dust-handling system.
Assignee: Individual
•
Filing: 1911-06-03
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Granted: 1916-05-23
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Expires: 1931-06-03
Abstract
No abstract record available.
Inventors
- 👤 Whitford W Woodley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:56
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/34; B65G53/40; B65G53/46; B65G53/4608; B65G53/4616
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) | 1919-05-23 | 1919-11-22 | 1920-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-05-23 | 1923-11-22 | 1924-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-05-23 | 1927-11-22 | 1928-05-23 | $7700.00 | Window Closed / Lapsed |