US2599222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking device for the tubes of telescopic structures
Assignee: Individual
•
Filing: 1947-05-09
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Granted: 1952-06-03
•
Expires: 1967-05-09
Abstract
No abstract record available.
Inventors
- 👤 Bergqvist Ake Torgny
- 👤 Karlberg Bror Ivar Ferdinand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:32
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/10; F16B7/14; F16B7/1463; A; A01; A01K; A01K87/00; A01K87/02; A01K87/025; A01K87/04; E; E04; E04H; E04H15/00; E04H15/32; F16B7/02; F16B7/025; F21; F21V; F21V21/00; F21V21/14; F21V21/22; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426; Y10T403/70; Y10T403/7009; Y10T403/7011; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7058
Claims Analysis
Total Claims: 0
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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) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |