US2903787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing strip materials
Assignee: Individual
•
Filing: 1956-10-31
•
Granted: 1959-09-15
•
Expires: 1976-10-31
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Brennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:21
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/04; H01G9/048; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49801; Y10T29/4998; Y10T29/49982; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/1216; Y10T428/12424; Y10T428/12444; Y10T428/12479
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US919505A
Cited
US2164142A
Cited
US2234127A
Cited
US2196076A
Cited
US2332726A
Cited
US2457051A
Cited
US2681375A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |