US3459149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated sail kit
Assignee: RONALD J HALLMARK
•
Filing: 1967-09-05
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Granted: 1969-08-05
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Expires: 1987-09-05
Abstract
No abstract record available.
Inventors
- 👤 Ronald J Hallmark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:07
CPC Classifications
B; B63; B63H; B63H9/00; B63H9/04; B63H9/06; B63H9/067; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24033
Claims Analysis
Total Claims: 0
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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) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |