US2996242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pattern heading calculator
Assignee: LEON J WAMSLEY
•
Filing: 1958-10-02
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Granted: 1961-08-15
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Expires: 1978-10-02
Abstract
No abstract record available.
Inventors
- 👤 Harold V Bannister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:57
CPC Classifications
G; G06; G06G; G06G1/00; G06G1/0005; G06G1/0052
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2329274A
Cited
US2253279A
Cited
US2299444A
Cited
GB566146A
Cited
US2481846A
Cited
US2560590A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |