US3026486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sine-wave generator
Assignee: Intron International Inc
•
Filing: 1958-05-28
•
Granted: 1962-03-20
•
Expires: 1978-05-28
Abstract
No abstract record available.
Inventors
- 👤 Robert H Pintell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:11
CPC Classifications
H; H03; H03B; H03B11/00; H02; H02M; H02M1/00; H02M1/20; H02M5/00; H02M5/02; H02M5/04; H02M5/22; H02M5/275; H02M5/293; H02M7/00; H02M7/42; H02M7/44; H02M7/445; H02M7/48; H02M7/53; H02M7/537; H02M7/5383; H02M7/53832; H02M7/53835; H02M7/54; H02M7/58; H02M7/62; H03B11/04; H03B11/06; H03B5/00; H03B5/08; H03B5/12; H03B5/1206; H03B5/1225; H03B5/1231; H03B5/1296
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2899626A
Cited
US1714697A
Cited
US2322597A
Cited
GB563529A
Cited
US2459822A
Cited
US2491382A
Cited
US2612631A
Cited
US2756381A
Cited
US2758271A
Cited
US2633560A
Cited
US2777108A
Cited
US2848678A
Cited
US2852730A
Cited
US2848614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |