US3548614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of closing the toe of a tubular stocking
Assignee: Boeing North American Inc
•
Filing: 1969-04-07
•
Granted: 1970-12-22
•
Expires: 1989-04-07
Abstract
No abstract record available.
Inventors
- 👤 James H Boyer Jr
- 👤 Richard M Janda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:09
CPC Classifications
D; D04; D04B; D04B1/00; D04B1/10; D04B1/102; D04B1/108; D04B1/22; D04B1/24; D04B1/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2740279A
Cited
US3254509A
Cited
US3340706A
Cited
US3301012A
Cited
GB1107712A
Cited
CH466887A
Cited
US3453843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |