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US3035956A Expired / Lapsed US ⏱️ 0.0 years remaining

Flexible protective covering sheet material

Assignee: EPS Research and Development Ltd
•
Filing: 1958-01-02
•
Granted: 1962-05-22
•
Expires: 1978-01-02
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Abstract

No abstract record available.

Inventors

  • 👤 Gonda Desire
  • 👤 Hawley Edwin Lawrence

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:12
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C65/00; B29C65/02; B29C65/04; B29C65/18; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C65/50; B29C65/5064; B29C65/5071; B29C65/5085; B29C66/00; B29C66/003; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/114; B29C66/1142; B29C66/13; B29C66/131; B29C66/301; B29C66/40; B29C66/41; B29C66/43; B29C66/434; B29C66/4342; B29C66/43421; B29C66/4344; B29C66/43441; B29C66/50; B29C66/51; B29C66/52; B29C66/524; B29C66/5244; B29C66/52441; B29C66/5245; B29C66/52451; B29C66/70; B29C66/71; B29C66/72; B29C66/721; B29C66/73; B29C66/739; B29C66/7392; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81427; B29C66/83; B29C66/832; B29C66/8322; B29C66/84; B29C66/861; B29C66/8612; B29C66/87; B29C66/874; B29C66/8744; B29C66/87445; B32B15/00; B32B15/04; B32B15/08; B29C65/482; B29C65/483; B29C66/432; B29C66/4326; B29C66/82; B29C66/822; B29C66/8221; B29C66/8614; B29L; B29L2031/00; B29L2031/001; B29L2031/003; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/101; Y10T24/00; Y10T24/25; Y10T24/2518; Y10T24/2536; Y10T24/2538; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/31504; Y10T428/31678; Y10T428/31703; Y10T442/00; Y10T442/30; Y10T442/3382; Y10T442/3415; Y10T442/3431

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 23 words
A FLEXIBLE PROTECTIVE COVERING SHEET MATERIAL COMPRISING A LAYER OF LEAD FOIL AND A SHEET OF FABRIC REINFORCED FLEXIBLE CORROSION-RESISTANT HEAT-SEALABLE MATERIAL HAVING
Claim 2
Dependent Claim 23 words
A FLEXIBLE PROTECTIVE COVERING SHEET MATERIAL COMPRISING A LAYER OF LEAD FOIL AND A SHEET OF FABRIC REINFORCED FLEXIBLE CORROSION-RESISTANT HEAT-SEALABLE MATERIAL HAVING

References Cited (Backward Citations)

US622889A Cited
US1383726A Cited
US1611031A Cited
US2053773A Cited
US2208619A Cited
US2252539A Cited
US2355559A Cited
US2428716A Cited
US2403077A Cited
US2584722A Cited
US2728703A Cited
US2858451A Cited
US2796624A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-05-21 1965-11-20 1966-05-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-05-21 1969-11-20 1970-05-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-05-21 1973-11-20 1974-05-22 $7700.00 Window Closed / Lapsed

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