Patent US2898623A successfully refreshed from Google Patents.
US2898623A
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Door guides
Assignee: Individual
•
Filing: 1957-05-23
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Granted: 1959-08-11
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Expires: 1977-05-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Leonard Emanuel Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:35
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/0621; E05D15/0626; E05D15/0656; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/46; E06B3/4636; E05D15/08; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/684; E05Y2600/00; E05Y2600/40; E05Y2600/45; E05Y2600/46; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32024; Y10T403/32114; Y10T403/32131; Y10T403/32155; Y10T403/32163; Y10T403/32229
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US567570A
Cited
US1977726A
Cited
US2246457A
Cited
US2445009A
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US2660269A
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US2741794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |