US3532961A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strobe flash system power converter
Assignee: GRAFLES Inc
•
Filing: 1969-01-06
•
Granted: 1970-10-06
•
Expires: 1989-01-06
Abstract
No abstract record available.
Inventors
- 👤 Donald W Bramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:31
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/22; H02M3/24; H02M3/28; H02M3/325; H02M3/335; H02M3/338; H02M3/3385; H02M3/3387; H02M3/3388; H05; H05B; H05B41/00; H05B41/14; H05B41/36; H05B41/38; H05B41/40
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2935650A
Cited
US2946924A
Cited
US2977524A
Cited
US3162786A
Cited
US3274478A
Cited
US3229158A
Cited
US3248605A
Cited
US3310723A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |