Patent US3731793A successfully refreshed from Google Patents.
US3731793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filled package containing a coiled string or the like
Assignee: NAT MUSIC STRING CO
•
Filing: 1971-05-19
•
Granted: 1973-05-08
•
Expires: 1991-05-19
Abstract
Abstract A package is comprised of two thin sheets, preferably rectangular and sealed to one another along their outer margins. One of the sheets has a relatively large centrally located filling opening. A strong or string like member is contained in the package between the two sheets and in surrounding relation to the central opening. The two sheets are additionally sealed to one another around the margin of the central opening, or the central opening is sealed by an overlying sheet, to totally isolate the package contents from the surrounding atmosphere.
Inventors
- 👤 H Hagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:43
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/02; B65D85/04; B65H; B65H75/00; B65H75/02; B65H75/04; B65H75/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A filled and sealed package comprising: first and second substantially flat sheets of similar configuration, means sealing said two sheets to one another along their outer margins to form a continuous seal along the peripheries of said sheets, said first sheet having a centrally located opening and said second sheet being continuous within the bounds of its periphery, a string like member arranged in a coiled condition and located between said first and second sheets, said coiled string like member in its entirety surrounding said central opening and being spaced radially outwardly from the edge thereof, and means closing said opening to isolate said string like member from the surrounding atmosphere, said means for closing said opening comprising means for sealing said first sheet to said second sheet along the margin of said central opening.
Claim 2
Dependent Claim
135 words
A filled and sealed package comprising: first and second substantially flat sheets of similar configuration, means sealing said two sheets to one another along their outer margins to form a continuous seal along the peripheries of said sheets, said first sheet having a centrally located opening and said second sheet being continuous within the bounds of its periphery, a string like member arranged in a coiled condition and located between said first and second sheets, said coiled string like member in its entirety surrounding said central opening and being spaced radially outwardly from the edge thereof, and means closing said opening to isolate said string like member from the surrounding atmosphere, said means for closing said opening comprising means for sealing said first sheet to said second sheet along the margin of said central opening.
References Cited (Backward Citations)
US718114A
Cited
US1431352A
Cited
US2615565A
Cited
US3062372A
Cited
US3054503A
Cited
US3185299A
Cited
FR1369503A
Cited
US3301393A
Cited
US3552631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-07 | 1976-11-06 | 1977-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-07 | 1980-11-06 | 1981-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-07 | 1984-11-06 | 1985-05-08 | $7700.00 | Window Closed / Lapsed |