Patent US2291402A successfully refreshed from Google Patents.
US2291402A
Expired / Lapsed
US
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Latch construction
Assignee: PPG Industries Inc
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Filing: 1941-05-24
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Granted: 1942-07-28
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Expires: 1961-05-24
Abstract
No abstract record available.
Inventors
- 👤 Robert A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:43
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/56; E05B; E05B65/00; E05B65/06; E05C17/02; E05C17/44; E05D; E05D5/00; E05D5/02; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0972; Y10T292/1014; Y10T292/1021; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5173; Y10T70/5195; Y10T70/5199; Y10T70/5246; Y10T70/5296; Y10T70/5345; Y10T70/5363; Y10T70/70; Y10T70/7006; Y10T70/7028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-07-27 | 1946-01-26 | 1946-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-07-27 | 1950-01-26 | 1950-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-07-27 | 1954-01-26 | 1954-07-28 | $7700.00 | Window Closed / Lapsed |