Patent US3000046A successfully refreshed from Google Patents.
US3000046A
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US
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Door guide
Assignee: Lawrence Brothers Inc
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Filing: 1960-08-31
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Granted: 1961-09-19
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Expires: 1980-08-31
Abstract
No abstract record available.
Inventors
- 👤 Robert E Foltz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:32
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/0621; E05D15/0626; E05D15/0656; E05D15/08; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/684; E05Y2600/00; E05Y2600/40; E05Y2600/45; E05Y2600/452; E05Y2600/46; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |