US2749618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: STRAIT LINE PRODUCTS
•
Filing: 1952-03-18
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Granted: 1956-06-12
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Expires: 1972-03-18
Abstract
No abstract record available.
Inventors
- 👤 Robert K Landon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:50
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/38; A; A41; A41H; A41H23/00
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |