US3543308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Visor
Assignee: TEXACE Corp A CORP OF TEX
•
Filing: 1966-12-19
•
Granted: 1970-12-01
•
Expires: 1986-12-19
Abstract
No abstract record available.
Inventors
- 👤 James A Stapenhill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:45
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/18; A42B3/22; A42B3/228; A42B3/226
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1416848A
Cited
US1683170A
Cited
US2445355A
Cited
US2590526A
Cited
US2813271A
Cited
US3239843A
Cited
US3315272A
Cited
US3368220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |