Patent US1153684A successfully refreshed from Google Patents.
US1153684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction-machine for conduits conveying loose, abrasive, and disinte grated materials.
Assignee: Individual
•
Filing: 1914-12-04
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Granted: 1915-09-14
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Expires: 1934-12-04
Abstract
No abstract record available.
Inventors
- 👤 Lorne A Griffin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:48
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/34; B65G53/52; B65G53/523
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) | 1918-09-13 | 1919-03-15 | 1919-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-09-13 | 1923-03-15 | 1923-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-09-13 | 1927-03-15 | 1927-09-14 | $7700.00 | Window Closed / Lapsed |