Patent US1299972A successfully refreshed from Google Patents.
US3529084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Line follower
Assignee: Gerber Systems Corp
•
Filing: 1967-04-17
•
Granted: 1970-09-15
•
Expires: 1987-04-17
Abstract
No abstract record available.
Inventors
- 👤 Leonard G Rich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:46
CPC Classifications
G; G06; G06K; G06K11/00; G06K11/02; G06K11/04
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) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |