Patent US3782322A successfully refreshed from Google Patents.
US3782322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Field marking system and a marker therefor
Assignee: Individual
•
Filing: 1970-09-28
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Granted: 1974-01-01
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Expires: 1990-09-28
Abstract
Abstract Predetermined distances are visually marked by a plurality of markers so arranged that a progressively varying distance from a predetermined point is designated by a progressively darker color. The individual markers comprise a hollow, nestable, substantially conical base provided with a receptacle means in the upper surface of said base; a flexible shaft one end of which is adapted to removably engage the receptacle means; and an indicator means affixed to the other end of the shaft.
Inventors
- 👤 P Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:24
CPC Classifications
A; A63; A63C; A63C19/00; A63C19/06; A63C19/062
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
101 words
A light weight marker comprising a hollow, nestable, substantially conical base made of elastic material, said base being provided with an opening at the top thereof, a flexible shaft having its lower end removably engaged in said opening and being held in a substantially upright position, said shaft being provided at its upper end with slot means extending therethrough, a streamer having an intermediate portion thereof disposed in said slot means, said upper end of said shaft and said streamer being provided with aligned apertures therein, and pin means extending through said aligned apertures to fasten said streamer to said shaft.
Claim 2
Dependent Claim
101 words
A light weight marker comprising a hollow, nestable, substantially conical base made of elastic material, said base being provided with an opening at the top thereof, a flexible shaft having its lower end removably engaged in said opening and being held in a substantially upright position, said shaft being provided at its upper end with slot means extending therethrough, a streamer having an intermediate portion thereof disposed in said slot means, said upper end of said shaft and said streamer being provided with aligned apertures therein, and pin means extending through said aligned apertures to fasten said streamer to said shaft.
Claim 3
Dependent Claim
39 words
A marker according to claim 1, further comprising a cap secured upon the upper end of said shaft, said cap having a lower portion provided with a slit for receiving a part of said intermediate portion of said streamer.
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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) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |