US2855235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door lock assembly for rest room control apparatus
Assignee: KOUTESY KONTROL Co
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Filing: 1956-07-06
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Granted: 1958-10-07
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Expires: 1976-07-06
Abstract
No abstract record available.
Inventors
- 👤 Lubbert H Van Dellen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:19
CPC Classifications
E; E05; E05B; E05B17/00; E05B17/22; Y; Y10; Y10T; Y10T292/00; Y10T292/03; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0977; Y10T292/0982; Y10T292/0985; Y10T292/0989; Y10T292/1014; Y10T292/1021; Y10T292/1022; Y10T292/1031; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5381
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |