Patent US2999267A successfully refreshed from Google Patents.
US2999267A
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US
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Sliding door hanger assembly
Assignee: John Sterling Corp
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Filing: 1959-08-07
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Granted: 1961-09-12
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Expires: 1979-08-07
Abstract
No abstract record available.
Inventors
- 👤 John G Sterling
- 👤 George L Dornbreck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:18
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/0621; E05D15/0626; E05D15/063; E05D15/0634; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/638; E05Y2201/64; E05Y2600/00; E05Y2600/10; E05Y2600/20; E05Y2800/00; E05Y2800/26; E05Y2800/292; E05Y2800/296; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304; Y10T74/18312
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US381893A
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US831036A
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US890950A
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US949076A
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US963975A
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US1066236A
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US1290382A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |