US3404776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for collecting loose materials in a portable collector
Assignee: Myers-Sherman Co
•
Filing: 1966-08-10
•
Granted: 1968-10-08
•
Expires: 1986-08-10
Abstract
No abstract record available.
Inventors
- 👤 Roland E Shaddock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:15
CPC Classifications
E; E01; E01H; E01H1/00; E01H1/08; E01H1/0827; E01H1/0836; Y; Y10; Y10S; Y10S209/00; Y10S209/935
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL300857A
Cited
US2708487A
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US1448482A
Cited
US2047568A
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DE729319C
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US2471326A
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FR1054401A
Cited
US2850162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |