Patent US2820672A successfully refreshed from Google Patents.
US2820672A
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US
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Apparatus for controllably applying semifluid and pasty materials
Assignee: LEE MART Manufacturing CO
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Filing: 1956-07-17
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Granted: 1958-01-21
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Expires: 1976-07-17
Abstract
No abstract record available.
Inventors
- 👤 Arce Lee
- 👤 William K Vogel
- 👤 Milton C Vogel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:36
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08; E04F21/12; Y; Y10; Y10S; Y10S366/00; Y10S366/606
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-20 | 1961-07-22 | 1962-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-20 | 1965-07-22 | 1966-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-20 | 1969-07-22 | 1970-01-21 | $7700.00 | Window Closed / Lapsed |