US3530976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Type justification apparatus
Assignee: Ludlow Typograph Co
•
Filing: 1969-07-11
•
Granted: 1970-09-29
•
Expires: 1989-07-11
Abstract
No abstract record available.
Inventors
- 👤 Frank G Higgason Jr
- 👤 Robert J Sehnert
- 👤 Harry E Rueckel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:34
CPC Classifications
B; B41; B41B; B41B27/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE26144E
Cited
US2632548A
Cited
US2682814A
Cited
US2762485A
Cited
US3332617A
Cited
US2934145A
Cited
US3011154A
Cited
US3049210A
Cited
US3234363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |