US3217690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal flag
Assignee: Mercury Plastics LLC
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Filing: 1964-06-16
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Granted: 1965-11-16
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Expires: 1984-06-16
Abstract
No abstract record available.
Inventors
- 👤 Mihalisin Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:59
CPC Classifications
G; G09; G09F; G09F17/00; G09F2017/0075; Y; Y10; Y10T; Y10T24/00; Y10T24/20; Y10T24/202; Y10T24/205; Y10T24/44; Y10T24/44641; Y10T24/44769; Y10T24/44906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A SIGNAL FLAG COMPRISING A FLEXIBLE SHEET HAVING A SUBSTANTIALLY STRAIGHT MARGINAL PORTION AND A TUBULAR STAFF HAVING A LONGITUDINAL SEAM FORMED BY TWO LONGITUDINAL EDGE PORTIONS WHICH ARE MUTUALLY OPPOSED, COMPLEMENTARY AND INTERLOCKING, SAID MARGINAL PORTION OF SAID SHEET BEING CLAMPED BETWEEN SAID EDGE PORTIONS IN INTERLOCKED ASSOCIATION.
Claim 2
Dependent Claim
49 words
A SIGNAL FLAG COMPRISING A FLEXIBLE SHEET HAVING A SUBSTANTIALLY STRAIGHT MARGINAL PORTION AND A TUBULAR STAFF HAVING A LONGITUDINAL SEAM FORMED BY TWO LONGITUDINAL EDGE PORTIONS WHICH ARE MUTUALLY OPPOSED, COMPLEMENTARY AND INTERLOCKING, SAID MARGINAL PORTION OF SAID SHEET BEING CLAMPED BETWEEN SAID EDGE PORTIONS IN INTERLOCKED ASSOCIATION.
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |