US3352586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking device for sliding windows and doors
Assignee: Individual
•
Filing: 1965-09-20
•
Granted: 1967-11-14
•
Expires: 1985-09-20
Abstract
No abstract record available.
Inventors
- 👤 Hakanson Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:15
CPC Classifications
E; E05; E05D; E05D13/00; E05D13/04; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; E05Y2900/148; Y; Y10; Y10S; Y10S292/00; Y10S292/46; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1051; Y10T292/1052; Y10T292/1057; Y10T292/106; Y10T292/1075; Y10T292/1083; Y10T292/1092
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
112 words
A LOCKING DEVICE FOR SLIDING WINDOWS AND DOORS COMPRISING A HOUSING, A LOCK MEMBER PIVOTALLY MOUNTED ON SAID HOUSING, SAID LOCK MEMBER HAVING AN ELONGATED LATCH, COIL SPRING MEMBER SLIDABLY MOUNTED ON SAID HOUSING, A COIL SPRING EXTENDING BETWEEN SAID CONTROL MEMBER AND SAID LOCK MEMBER, SAID SPRING NORMALLY URGING SAID CONTROL MEMBER UPWARDLY ALONG SAID HOUSING SO THAT SAID CONTROL MEMBER PREVENTS THE ROTATION OF SAID LOCK MEMBER TO HOLD SAID LATCH IN UPWARD P OSITION, SAID HOUSING BEING ATTACHED TO A MOVABLE FRAME, A CORRUGATED MEMBER FIXEDLY MOUNTED WITH RESPECT TO SAID MOVABLE FRAME, SAID CORRUGATED MEMBER HAVING A PLURALITY OF CORRUGATIONS DIMENSIONED TO REMOVABLY RECEIVE AND HOLD THE END
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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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |