US3500327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data handling apparatus
Assignee: Bunker Ramo Corp
•
Filing: 1965-06-01
•
Granted: 1970-03-10
•
Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Richmond D Belcher
- 👤 Robert J Duggan
- 👤 George R Ellis
- 👤 Robert H Esslinger
- 👤 William Frederick Goodyear
- 👤 Joseph C Marshall
- 👤 Thomas R Masone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:07
CPC Classifications
G; G09; G09G; G09G1/00; G09G1/06; G09G1/14; G09G1/18; G06; G06F; G06F3/00; G06F3/14; G06F3/153
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3335411A
Cited
US3281788A
Cited
US3307156A
Cited
US3344401A
Cited
US3296597A
Cited
US3314051A
Cited
US3312952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |