Patent US2172992A successfully refreshed from Google Patents.
US2172992A
Expired / Lapsed
US
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Conduit for lawn mower motors
Assignee: LOCKE STEEL CHAIN CO
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Filing: 1938-11-21
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Granted: 1939-09-12
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Expires: 1958-11-21
Abstract
No abstract record available.
Inventors
- 👤 Henry J Stegeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:39
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/42; A01D34/46; A01D34/47; A01D34/475; A01D2101/00
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) | 1942-09-11 | 1943-03-13 | 1943-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-09-11 | 1947-03-13 | 1947-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-09-11 | 1951-03-13 | 1951-09-12 | $7700.00 | Window Closed / Lapsed |