US2887714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction road cleaning machine
Assignee: GOOD ROADS MACHINERY CORP
•
Filing: 1952-10-18
•
Granted: 1959-05-26
•
Expires: 1972-10-18
Abstract
No abstract record available.
Inventors
- 👤 Harry I Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:35
CPC Classifications
E; E01; E01H; E01H1/00; E01H1/08; E01H1/0827; E01H1/0836; F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/4206; F04D29/422
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US922677A
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US1056769A
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US1291037A
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US1560612A
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US1944976A
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GB486505A
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US2135053A
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US2184384A
Cited
US2180269A
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US2264071A
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US2361909A
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US2496028A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |