Patent US2701986A successfully refreshed from Google Patents.
US2701986A
Expired / Lapsed
US
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Greenhouse sash bar cleaner
Assignee: Individual
•
Filing: 1950-04-24
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Granted: 1955-02-15
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Expires: 1970-04-24
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Petty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:16
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/28; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/306216; Y10T409/306496; Y10T409/306552
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US600842A
Cited
US1322644A
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US963217A
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US1069439A
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US1715949A
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US1883392A
Cited
US1961540A
Cited
FR785882A
Cited
US2140120A
Cited
US2255541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-14 | 1958-08-16 | 1959-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-14 | 1962-08-16 | 1963-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-14 | 1966-08-16 | 1967-02-15 | $7700.00 | Window Closed / Lapsed |