Patent US2967728A successfully refreshed from Google Patents.
US2967728A
Expired / Lapsed
US
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Door handle construction
Assignee: Wright Products Inc
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Filing: 1958-02-14
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Granted: 1961-01-10
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Expires: 1978-02-14
Abstract
No abstract record available.
Inventors
- 👤 Harold W Falk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:21
CPC Classifications
E; E05; E05B; E05B3/00; E05B3/06; Y; Y10; Y10T; Y10T292/00; Y10T292/82; Y10T292/91; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18232
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US841364A
Cited
GB190616203A
Cited
US2105617A
Cited
US2216467A
Cited
GB577552A
Cited
US2496714A
Cited
US2812967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |