US2707749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System of light beam communication
Assignee: Individual
•
Filing: 1949-06-21
•
Granted: 1955-05-03
•
Expires: 1969-06-21
Abstract
No abstract record available.
Inventors
- 👤 Mueller Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:22
CPC Classifications
G; G02; G02B; G02B26/00; G02B26/02; G02B27/00; G02B27/28; G02F; G02F1/00; G02F1/01; G02F1/0128; G02F1/0131; G02F1/11; H; H01; H01Q; H01Q21/00; H01Q21/06; H01Q21/08; H04; H04B; H04B10/00; H04B10/50; H04B10/516; H04B10/532
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB132858A
Cited
US1746829A
Cited
US1915785A
Cited
US1997371A
Cited
US1954947A
Cited
US1997628A
Cited
US2051537A
Cited
US2100348A
Cited
GB451854A
Cited
US2404062A
Cited
US2350331A
Cited
US2406881A
Cited
US2531951A
Cited
US2622470A
Cited
US2623165A
Cited
US2485839A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-02 | 1958-11-01 | 1959-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-02 | 1962-11-01 | 1963-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-02 | 1966-11-01 | 1967-05-03 | $7700.00 | Window Closed / Lapsed |