Patent US2828152A successfully refreshed from Google Patents.
US2828152A
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Assignee: KWIKSET LOCKS Inc
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Filing: 1955-03-07
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Granted: 1958-03-25
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Expires: 1975-03-07
Abstract
No abstract record available.
Inventors
- 👤 Andrew J Unetic
- 👤 Ward Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:22
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/16; E05C1/163; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0977; Y10T292/0982; Y10T292/0983; Y10T292/0984; Y10T292/0986; Y10T292/1014; Y10T292/1022; Y10T292/1028; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5394; Y10T70/542; Y10T70/5442; Y10T70/5447; Y10T70/5451
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2038907A
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US2299180A
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US2497750A
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US2662386A
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US2702466A
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US2747907A
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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) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |