US2985447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking and operating mechanism for a closure
Assignee: Industriele Onderneming WH Braskamp NV
•
Filing: 1958-02-07
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Granted: 1961-05-23
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Expires: 1978-02-07
Abstract
No abstract record available.
Inventors
- 👤 Braskamp Willem Hendrik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:57
CPC Classifications
F; F04; F04D; F04D25/00; F04D25/02; F04D25/08; F04D25/12; E; E05; E05F; E05F11/00; E05F11/02; E05F11/04; E05F11/06; F04D29/00; F04D29/60; F04D29/64; F04D29/644; F04D29/646; F24; F24F; F24F13/00; F24F13/08; F24F13/10; F24F13/14; F24F13/1426; F24F7/00; F24F7/007; F24F7/013; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/146; F24F2013/1453; F24F2013/146; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3902; Y10T292/00; Y10T292/28; Y10T292/283
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1952707A
Cited
US2454794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |