Patent US3336640A successfully refreshed from Google Patents.
US3336640A
Expired / Lapsed
US
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Slide fastener
Assignee: Talon Inc
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Filing: 1965-04-19
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Granted: 1967-08-22
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Expires: 1985-04-19
Abstract
No abstract record available.
Inventors
- 👤 Walter V Chery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:53
CPC Classifications
B; B29; B29D; B29D5/00; B29D5/04; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2518
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
IN A STRINGER FOR A SLIDE FASTENER COMPRISING AN ELONGATED CONTINUOUS FILAMENT HAVING A GIVEN CROSS SECTIONAL CONFIGURATIONAL UNIFORMLY DEFORMED AT REGULARLY SPACED INTERVALS TO PROVIDE A PLURALITY OF USHAPED SCOOP PORTIONS LOCATED SUBSTANTIALLY IN ALIGNMENT WITH EACH OTHER AND WITH EACH U-SHAPED SCOOP PORTION INCLUDING A HEAD PORTION LYING IN A COMMON PLANE AND EDGES HAVING SUBSTANTIALLY SAID GIVEN CROSS SECTIONAL CONFIGURATION DISPOSED ON EACH SIDE THEREOF; AND A SERIES OF HEEL PORTIONS FORMED INTEGRALLY OF SAID CONTINUOUS FILAMENT, EACH HEEL PORTION INTERCONNECTING THE LEGS OF TWO ADJACENT SCOOP PORTIONS IN A UNIFORM AND REPETITIOUS PATTERN WITH THE FILAMENT FORMING EACH HEEL PORTION DEFORMED TO HAVE A SUBSTANTIALLY RECTANGULAR CROSS SECTIONAL CONFIGURATION AT ANY GIVEN POINT THEREALONG, WITH THE HEIGHT DIMENSION OF EACH HEEL PORTION BEING GREATER THAN THE WIDTH AND EXTENDING SUBSTANTIALLY TRANSVERSE TO SAID COMMON PLANE OF SAID HEAD PORTIONS SAID WIDTH OF SAID HEEL PORTIONS BEING LESS THAN THE SMALLEST DIMENSION OF SAID GIVEN CROSS SECTIONAL CONFIGURATION. WHEREBY SAID HEEL PORTIONS TEND TO MAINTAIN THE LEGS OF ADJACENT SCOOPS OF SAID STRINGER IN SUBSTANTIALLY RIGID SPACED RELATION RELATIVE TO EACH OTHER.
Claim 2
Dependent Claim
185 words
IN A STRINGER FOR A SLIDE FASTENER COMPRISING AN ELONGATED CONTINUOUS FILAMENT HAVING A GIVEN CROSS SECTIONAL CONFIGURATIONAL UNIFORMLY DEFORMED AT REGULARLY SPACED INTERVALS TO PROVIDE A PLURALITY OF USHAPED SCOOP PORTIONS LOCATED SUBSTANTIALLY IN ALIGNMENT WITH EACH OTHER AND WITH EACH U-SHAPED SCOOP PORTION INCLUDING A HEAD PORTION LYING IN A COMMON PLANE AND EDGES HAVING SUBSTANTIALLY SAID GIVEN CROSS SECTIONAL CONFIGURATION DISPOSED ON EACH SIDE THEREOF; AND A SERIES OF HEEL PORTIONS FORMED INTEGRALLY OF SAID CONTINUOUS FILAMENT, EACH HEEL PORTION INTERCONNECTING THE LEGS OF TWO ADJACENT SCOOP PORTIONS IN A UNIFORM AND REPETITIOUS PATTERN WITH THE FILAMENT FORMING EACH HEEL PORTION DEFORMED TO HAVE A SUBSTANTIALLY RECTANGULAR CROSS SECTIONAL CONFIGURATION AT ANY GIVEN POINT THEREALONG, WITH THE HEIGHT DIMENSION OF EACH HEEL PORTION BEING GREATER THAN THE WIDTH AND EXTENDING SUBSTANTIALLY TRANSVERSE TO SAID COMMON PLANE OF SAID HEAD PORTIONS SAID WIDTH OF SAID HEEL PORTIONS BEING LESS THAN THE SMALLEST DIMENSION OF SAID GIVEN CROSS SECTIONAL CONFIGURATION. WHEREBY SAID HEEL PORTIONS TEND TO MAINTAIN THE LEGS OF ADJACENT SCOOPS OF SAID STRINGER IN SUBSTANTIALLY RIGID SPACED RELATION RELATIVE TO EACH OTHER.
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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |