Patent US3104983A successfully refreshed from Google Patents.
US3104983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of curing magnetic tape binder comprising butadiene-acrylonitrile and phenolicresin with subatomic radiation
Assignee: International Business Machines Corp
•
Filing: 1959-08-26
•
Granted: 1963-09-24
•
Expires: 1979-08-26
Abstract
No abstract record available.
Inventors
- 👤 James P Tarwater
- 👤 Griesemer John Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:11
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/62; G11B5/68; G11B5/70; G11B5/702; Y; Y10; Y10S; Y10S8/00; Y10S8/04; Y10S8/18
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |