US2843872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding door hanger
Assignee: McKinney Manufacturing Co
•
Filing: 1956-05-11
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Granted: 1958-07-22
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Expires: 1976-05-11
Abstract
No abstract record available.
Inventors
- 👤 Stephen J Hannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:04
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/0621; E05D15/0626; E05D15/063; E05D15/0634; E05Y; E05Y2600/00; E05Y2600/10; E05Y2600/30; E05Y2600/33; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; Y; Y10; Y10S; Y10S16/00; Y10S16/39
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US442950A
Cited
US1016798A
Cited
US1328442A
Cited
US2066994A
Cited
US2297957A
Cited
US2710422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |