US1447564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock housing for screws or bolts
Assignee: Individual
•
Filing: 1921-11-10
•
Granted: 1923-03-06
•
Expires: 1941-11-10
Abstract
No abstract record available.
Inventors
- 👤 Olof A Norlund
- 👤 Oehrli Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:47
CPC Classifications
F; F16; F16B; F16B23/00; F16B23/0061; F16B41/00; F16B41/005; Y; Y10; Y10S; Y10S411/00; Y10S411/91; Y10S411/919; Y10T; Y10T70/00; Y10T70/50; Y10T70/5889; Y10T70/5982; Y10T70/5987; Y10T70/5991
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) | 1926-03-05 | 1926-09-04 | 1927-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-03-05 | 1930-09-04 | 1931-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-03-05 | 1934-09-04 | 1935-03-06 | $7700.00 | Window Closed / Lapsed |