Patent US2915643A successfully refreshed from Google Patents.
US2915643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light gun assembly
Assignee: International Business Machines Corp
•
Filing: 1956-06-21
•
Granted: 1959-12-01
•
Expires: 1976-06-21
Abstract
No abstract record available.
Inventors
- 👤 Ralph G Mork
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:01
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/03; G06F3/033; G06F3/0354; G06F3/03542; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/285; G01S7/295
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |